JP2002199890A - 生分解性ポリエステル合成酵素の改変方法 - Google Patents

生分解性ポリエステル合成酵素の改変方法

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Publication number
JP2002199890A
JP2002199890A JP2001054717A JP2001054717A JP2002199890A JP 2002199890 A JP2002199890 A JP 2002199890A JP 2001054717 A JP2001054717 A JP 2001054717A JP 2001054717 A JP2001054717 A JP 2001054717A JP 2002199890 A JP2002199890 A JP 2002199890A
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English (en)
Inventor
Yoshiharu Doi
義治 土肥
Seiichi Taguchi
精一 田口
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RIKEN Institute of Physical and Chemical Research
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RIKEN Institute of Physical and Chemical Research
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Priority to JP2001054717A priority Critical patent/JP2002199890A/ja
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

(57)【要約】 【課題】 生分解性ポリエステル合成酵素の改変方法の
提供。 【解決手段】 ポリ3-ヒドロキシアルカン酸の生合成に
関与する酵素を進化工学的手法よって改変することを特
徴とする該酵素の改変方法。

Description

【発明の詳細な説明】
【0001】
【発明の属する技術分野】本発明は、ポリ3-ヒドロキシ
アルカン酸の生合成に関与する酵素を進化工学的手法よ
って改変することを特徴とする該酵素の改変方法、該方
法によって得られた改変酵素、該改変酵素をコードする
遺伝子、該改変酵素を用いる生分解性エステル重合物の
製造方法に関する。
【0002】
【従来の技術】持続可能な社会を築いていく一環とし
て、環境調和型の生分解性プラスチックの創製が注目さ
れている。ラルストニア・ユートロファ(Ralstonia eut
ropha)等の微生物によって生産されるポリ3-ヒドロキシ
アルカン酸(PHA;poly(3-hydroxyalkanoate))は、熱
可塑性及び生分解性を兼ね備えていることから、生分解
性プラスチックとしての応用が検討され、既に一部で実
用化が始まっている。
【0003】生分解性プラスチックを、より広範に実用
化するためには、より安価な生産システムの構築及び様
々な物性をもつ生分解性プラスチックを自在に生産する
ことのできる微生物の育種が重要である。これを達成す
るために、これまでに、新しいタイプの生分解性ポリエ
ステル合成酵素の探索、遺伝子工学的手法による酵素生
産量の増強、細胞内の生合成経路の代謝工学的改変等が
試みられている。
【0004】ところで、最近、酵素の性質の改変に、進
化工学的手法が用いられている。進化工学的手法とは、
ダーウイン進化の原理を工学的に利用するもので、具体
的には、目的の酵素をコードする遺伝子に人工的に変異
を誘発し、多数の変異遺伝子の中から所望の活性に改変
された酵素をコードする遺伝子を選択し、それを増幅す
る工程を、試験管内でより迅速に行うことによって、所
望の性質を有する酵素を取得する方法である。この方法
は、洗剤用酵素等の改変に適用され、すでに成功例がい
くつか報告されているものの、生分解性プラスチック生
産系酵素の改変への応用は知られていない。
【0005】
【発明が解決しようとする課題】本発明は、ポリ3-ヒド
ロキシアルカン酸の生合成に関与する酵素を進化工学的
手法よって改変することを特徴とする該酵素の改変方
法、該方法によって得られた改変酵素、該改変酵素をコ
ードする遺伝子、該改変酵素を用いる生分解性エステル
重合物の製造方法を提供することを目的とする。
【0006】
【課題を解決するための手段】本発明者らは、上記課題
を解決するため鋭意研究を行った結果、進化工学的手法
によって、ポリ3-ヒドロキシアルカン酸の生合成に関与
する酵素を所望の性質を有する酵素に改変することに成
功し、本発明を完成するに至った。すなわち、本発明
は、ポリ3-ヒドロキシアルカン酸の生合成に関与する酵
素を進化工学的手法よって改変することを特徴とする該
酵素の改変方法である。ここで、ポリ3-ヒドロキシアル
カン酸の生合成に関与する酵素としては、ポリ3-ヒドロ
キシブタン酸合成酵素(例えば、配列番号2で表される
アミノ酸配列からなるもの)、ポリ3-ヒドロキシアルカ
ン酸合成酵素(例えば、配列番号4、6又は8で表され
るアミノ酸配列からなるもの)、3-ケトチオラーゼ(例
えば、配列番号10で表されるアミノ酸配列からなる
も)、アセトアセチル-CoAレダクターゼ(例えば、配列
番号12で表されるアミノ酸配列からなるもの)、エノ
イル-CoAヒドラターゼ(例えば、配列番号14で表され
るアミノ酸配列からなるもの)、3-ケトアシル-ACPレダ
クターゼ(例えば、配列番号16で表されるアミノ酸配
列からなるもの)、(R)-3-ヒドロキシアシル-ACP-CoAト
ランスアシラーゼ(例えば、配列番号18で表されるア
ミノ酸配列からなるもの)、マロニル-CoA-ACPトランス
アシラーゼ(例えば、配列番号20又は22で表される
アミノ酸配列からなるもの)及び3-ケトアシル-ACPシン
ターゼIII(例えば、配列番号24で表されるアミノ酸
配列からなるもの)等が挙げられる。また、前記進化工
学的手法は、ポリ3-ヒドロキシアルカン酸の生合成に関
与する酵素をコードする遺伝子にランダムに変異を導入
する工程を包含するものであり得る。
【0007】さらに、本発明は、配列番号26、28、
30、32、34、36、38、40、42、44、4
6、48、50、52、54、56、58又は60で表
されるアミノ酸からなる変異型ポリ3-ヒドロキシブタン
酸合成酵素である。さらに、本発明は、配列番号26、
28、30、32、34、36、38、40、42、4
4、46、48、50、52、54、56、58又は6
0で表されるアミノ酸配列からなる変異型ポリ3-ヒドロ
キシブタン酸合成酵素をコードする遺伝子である。さら
に、本発明は、配列番号25、27、29、31、3
3、35、37、39、41、43、45、47、4
9、51、53、55、57又は59で表される塩基配
列からなる変異型ポリ3-ヒドロキシブタン酸合成酵素遺
伝子である。
【0008】さらに、本発明は、前記遺伝子を含有する
組換えベクターである。さらに、本発明は、前記組換え
ベクターを含む形質転換体である。さらに、本発明は、
前記形質転換体を培養し、得られる培養物から前記変異
型ポリ3-ヒドロキシブタン酸合成酵素を採取することを
特徴とする該酵素の製造方法である。さらに、本発明
は、前記形質転換体を培養し、得られる培養物から生分
解性エステル重合物を採取することを特徴とする生分解
性エステル重合物の製造方法である。
【0009】さらに、本発明は、配列番号2で表される
アミノ酸配列からなるポリ3-ヒドロキシブタン酸合成酵
素において、N末端より15番目のリジン、35番目のセリ
ン、39番目のグルタミン、58番目のロイシン、63番目の
イソロイシン、80番目のセリン、141番目のアルギニ
ン、148番目のイソロイシン、154番目のアラニン、174
番目のセリン、183番目のバリン、231番目のロイシン、
241番目のロイシン、283番目のセリン、304番目のアラ
ニン、306番目のアスパラギン酸、313番目のイソロイシ
ン、343番目のバリン、346番目のロイシン、358番目の
ロイシン、391番目のアラニン、393番目のトレオニン、
426番目のアスパラギン、470番目のバリン、519番目の
アスパラギン、546番目のセリン、565番目のアラニン及
び577番目のイソロイシンのいずれかを別のアミノ酸で
置換することを特徴とするポリ3-ヒドロキシブタン酸合
成酵素の改変方法である。以下、本発明を詳細に説明す
る。
【0010】
【発明の実施の形態】本発明の、ポリ3-ヒドロキシアル
カン酸の生合成に関与する酵素の改変方法は、従来の改
変方法とは異なり、該酵素を進化工学的手法によって改
変することを特徴とする方法である。ここで、「ポリ3-
ヒドロキシアルカン酸」とは、3-ヒドロキシアルカン酸
を構成ユニットとする、エステル結合によって結ばれた
重合物で、生物によって生合成され且つ土中や水中の微
生物によって分解され自然界の炭素循環系に組み込まる
環境低負荷型のエステル重合物をいう。「ポリ3-ヒドロ
キシアルカン酸の生合成に関与する酵素」とは、生物中
で当該ポリ3-ヒドロキシアルカン酸の生合成に関与して
いる酵素をいう。「進化工学的手法」とは、目的のタン
パク質をコードする遺伝子に対して、試験管内で人為的
に突然変異を誘発させ所望の性質に改変されたタンパク
質を選択することによって、該目的タンパク質分子を改
変する技術をいう。ポリ3-ヒドロキシアルカン酸の生合
成に関与する酵素の進化工学的手法による改変は、具体
的には以下のようにして行うことができる。
【0011】1.ポリ3-ヒドロキシアルカン酸の生合成
に関与する酵素の進化工学的改変 (1) ポリ3-ヒドロキシアルカン酸の生合成に関与する酵
素 一般に、細菌中でのポリ3-ヒドロキシアルカン酸の生合
成経路は、図1のように、ポリ3-ヒドロキシアルカン酸
を構成するモノマーユニットを供給する系(モノマー供
給系)とモノマーユニットを重合する系(モノマー重合
系)の2つの系から構成される。例えば、細菌中でのポ
リ3-ヒドロキシンアルカン酸の生合成は、図2及び3の
ように、3-ケトチオラーゼ(PhbA、BktB)やアセトアセ
チル-CoAレダクターゼ(PhbB)等により構成されるする
アセチルCoA二量体化系や、エノイル-CoAヒドラターゼ
(PhaJ)や3-ケトアシル-ACPレダクターゼ(FabG)等に
より構成される脂肪酸分解経路、(R)-3-ヒドロキシアシ
ル-ACP-CoAトランスアシラーゼ(PhaG)、3-ケトアシル
-ACPシンターゼIII(FabH)、マロニル-CoA-ACPトラン
スアシラーゼ(FabD)等により構成される脂肪酸生合成経
路などを経て生合成されたモノマーユニット(図2中:
(R)-3-ヒドロキシバレリル-CoA, (R)-3-ヒドロキシブチ
リル-CoA;図3中:(R)-3-ヒドロキシアシル-CoA)が、
ポリ3-ヒドロキシブタン酸合成酵素やポリ3-ヒドロキシ
アルカン酸合成酵素によって重合されることによって行
われる。ここで、ポリ3-ヒドロキシブタン酸は、3-ヒド
ロキシブタン酸のホモポリマーであり、ポリ3-ヒドロキ
シアルカン酸は、ポリ3-ヒドロキシブタン酸等を初めと
して、それ以外の3-ヒドロキシブタン酸と3-ヒドロキシ
ヘキサン酸とのヘテロポリマー等、様々なモノマーユニ
ットから構成される広範囲の3-ヒドロキシアルカン酸重
合物を意味する。
【0012】前記ポリ3-ヒドロキシブタン酸合成酵素
は、炭素数3〜5の短鎖長の3-ヒドロキシアルカン酸を
特異的基質とする重合酵素であるに対し、ポリ3-ヒドロ
キシアルカン酸合成酵素は、炭素数3〜14のより幅広い
炭素数の3-ヒドロキシアルカン酸を基質とすることがで
きる基質特異性の広い重合酵素である。
【0013】本発明においては、ポリ3-ヒドロキシアル
カン酸の生合成に関与する上記酵素のいずれもが、進化
工学的改変の対象となり得る。例えば、3-ケトチオラー
ゼ(PhbA、BktB)、アセトアセチル-CoAレダクターゼ(P
hbB)、エノイル-CoAヒドラターゼ(PhaJ)、3-ケトアシ
ル-ACPレダクターゼ(FabG)、(R)-3-ヒドロキシアシル
-ACP-CoAトランスアシラーゼ(PhaG)、3-ケトアシル-A
CPシンターゼIII(FabH)、マロニル-CoA-ACPトランス
アシラーゼ(FabD)等の酵素を改変して、当該酵素の比活
性を上昇させることにより、モノマー供給量を増大させ
ることができ、最終的に、産生されるポリ3-ヒドロキシ
アルカン酸の細胞内含量を増大させることができる。
【0014】また、ポリ3-ヒドロキシブタン酸合成酵素
やポリ3-ヒドロキシアルカン酸合成酵素の比活性及び基
質特異性は、図4に示したように、産生されるポリ3-ヒ
ドロキシアルカン酸の細胞内含量、分子量及びモノマー
組成に決定的役割を果たしている。従って、当該酵素の
比活性及び基質特異性を改変することにより、産生され
るポリ3-ヒドロキシアルカン酸の細胞内含量、分子量及
びモノマー組成を改変することができる。なお、本発明
においては、例示として、ラスルトニア・ユートロファ
Ralstonia eutropha)由来のポリ3-ヒドロキブタン酸
合成酵素(PhbCR e)を進化工学的に改変した。本発明にお
いて使用したPhbCReのアミノ酸配列を配列番号2に、当
該酵素をコードするDNAの塩基配列を配列番号1に示し
た。また、その他、本発明における進化工学的改変の対
象となり得る酵素のアミノ酸配列及びそれをコードする
DNAの塩基配列を以下に例示する。すなわち、アエロモ
ナス・キャビエ(Aeromonas caviae)由来のポリ3-ヒド
ロキシアルカン酸合成酵素PhaCAcのアミノ酸配列を配列
番号4に、当該酵素をコードするDNAの塩基配列を配列
番号3に、シュードモナス sp.(Pseudomonas sp.)61-3
株由来のポリ3-ヒドロキシアルカン酸合成酵素PhaC1の
アミノ酸配列を配列番号6に、当該酵素をコードするDN
Aの塩基配列を配列番号5に、同細菌由来のポリ3-ヒド
ロキシアルカン酸合成酵素PhaC2のアミノ酸配列を配列
番号8に、当該酵素をコードするDNAの塩基配列を配列
番号7に、ラルストニア・ユートロファ由来の3-ケトチ
オラーゼ(PhbA)のアミノ酸配列を配列番号10、当該
酵素をコードするDNAの塩基配列を配列番号9に、同細
菌由来のアセトアセチル-CoAレダクターゼ(PhbB)のア
ミノ酸配列を配列番号12、当該酵素をコードするDNA
の塩基配列を配列番号11に、アエロモナス・キャビエ
由来のエノイル-CoAヒドラターゼ(PhaJ)のアミノ酸配
列を配列番号14、当該酵素をコードするDNAの塩基配
列を配列番号13に、大腸菌(Escherichia coli)由来
の3-ケトアシル-ACPレダクターゼ(FabG)のアミノ酸配
列を配列番号16、当該酵素をコードするDNAの塩基配
列を配列番号15に、シュードモナス・プチダ(Pseudo
monas putida)由来の(R)-3-ヒドロキシアシル-ACP-CoA
トランスアシラーゼ(PhaG)のアミノ酸配列を配列番号
18、当該酵素をコードするDNAの塩基配列を配列番号
17に、シュードモナス sp. 61-3株由来のマロニル-Co
A-ACPトランスアシラーゼ(FabDPs)のアミノ酸配列を
配列番号20、当該酵素をコードするDNAの塩基配列を
配列番号19に、大腸菌由来のマロニル-CoA-ACPトラン
スアシラーゼ(FabDEc)のアミノ酸配列を配列番号2
2、当該酵素をコードするDNAの塩基配列を配列番号2
1に、同細菌由来の3-ケトアシル-ACPシンターゼIII(F
abHEc)のアミノ酸配列を配列番号24、当該酵素をコ
ードするDNAの塩基配列を配列番号23に示した。な
お、上記の各酵素をコードするDNAは、それぞれの微生
物由来のゲノムDNA又はcDNAを鋳型とし、PCR等の周知の
手法によって容易に取得することができる。
【0015】(2) ランダム変異 前記酵素遺伝子へのランダムな変異の導入は、変異原物
質、放射線、PCR法等を用いて、以下のようにして行う
ことができる。すなわち、目的の酵素遺伝子を保有する
微生物を、5-ブロモウラシル、5-クロロウラシル、ブロ
モデオキシウリジン等の塩基類似物質、核酸塩基の酸化
的脱アミノを誘発する亜硝酸、シトシン・グアニンと反
応するヒドロキシアミン、マスタードガス、N-メチル-
N'-ニトロ-N-ニトロソグアニジン等のアルキル化試薬等
の化学物質に暴露することによって行うことができる。
また、放射線によるランダム変異の導入は、目的の酵素
遺伝子を保有する微生物を、紫外線、X線等の放射線に
暴露することによって行うことができる。
【0016】さらに、PCR法によるランダム変異の導入
は、目的の酵素遺伝子を含むDNA断片を鋳型とする該遺
伝子の増幅反応において、DNAポリメラーゼの複製反応
の忠実性を低める条件下でPCRを行い、増幅したDNA配列
中に複製エラーを蓄積させる、いわゆるerror-prone PC
R法によって行うことができる。ここで、複製の忠実度
の調節は、耐熱性ポリメラーゼ反応におけるpHをアルカ
リ側に設定したり、反応系中のマグネシウムイオンの濃
度を通常より高めに設定したり、添加する2価金属イオ
ンをマグネシウムイオンからマンガンイオンに変えた
り、基質である4種類のデオキシリボ核酸(dNTP)の濃度
を変化させることによって行うことができる。例えば、
error-prone PCRにおけるpHは好ましくは8.3〜8.8、最
も好ましくは8.5〜8.8である。また、error-prone PCR
におけるマグネシウムイオン濃度は15〜50mM、好ましく
は50mMである。
【0017】例えば、ラルストニア・ユートロファH16
(ATCC23440)由来ポリ3-ヒドロキシブタン酸合成酵素
遺伝子(PhbCRe)をerror-prone PCR法によって変異さ
せる場合には、当該遺伝子を含有するプラスミド(例え
ば、pGEM'-phbCABRe(図5))を鋳型として、前記酵素
遺伝子増幅用のプライマーを用い、忠実度の低下する条
件下でPCRを行う。次いで、得られたPCR断片を適当な発
現ベクターに連結し、宿主細胞(例えば、大腸菌)に導
入する。次いで、得られた導入宿主細胞の保有する変異
処理酵素の性質を検証することにより前記酵素の改変を
検証する。
【0018】(3) 変異処理酵素の酵素学的性質の検証 上記(2)において得られた変異処理酵素の酵素学的性質
の変化は、各変異処理酵素を、必要に応じて分離・精製
後、比活性、基質特異性、至適温度、至適pH、温度安定
性、pH安定性等の酵素学的パラメーターについて、改変
前の野生型酵素と比較することにより行うことができ
る。
【0019】具体的には、比活性は、以下のようにして
調べることができる。すなわち、リ3-ヒドロキシブタ
ン酸合成酵素及びポリ3-ヒドロキシアルカン酸合成酵素
の場合、(R)-3-ヒドロキシブチリル-CoAが当該酵素に取
り込まれる際に遊離するCoA-SHを、CoA-SHと等モルで反
応するDTNB(5,5'-ジチオビス(2-ニトロ安息香酸))がT
NB-に酸化されることに伴う412nmの吸光度の増加を測定
し、以下に示す式によって比活性を算出することができ
る。
【0020】
【数1】
【0021】
【数2】
【0022】上記の式において、VT:反応液量(m
l)、VE:酵素液量(ml)、ε412:15.6×103(M
-1・cm-1)、ΔA412/分:1分間当たりの吸光度の差
である。なお、その他の本発明における進化工学的改変
の対象となり得る酵素の比活性は、当該技術分野におい
て公知の文献に従って調べることができる。また、ポリ
3-ヒドロキシブタン酸合成酵素及びポリ3-ヒドロキシア
ルカン酸合成酵素の基質特異性は、上記測定法におい
て、基質として様々な種類のものを用い、それらに対す
る比活性を測定することによって調べることができる。
【0023】error-prone PCR法によって目的の酵素遺
伝子を変異させた場合には、error-prone PCR法によっ
て得られた変異処理済PCR断片を連結した発現ベクター
で形質転換された宿主細胞を、ポリ3-ヒドロキシアルカ
ン酸の生成が可能な条件下で培養し、細胞内にポリ3-ヒ
ドロキシアルカン酸を生成蓄積状況を調べる。例えば、
ポリ3-ヒドロキシブタン酸の生産蓄積状況は、ポリ3-ヒ
ドロキシブタン酸に特異的に染色するNile Redを寒天培
地プレートに含有させることによって、プレート上に生
育したコロニーのピンク色の呈色の度合いを調べること
によってで判別することができる。ここで、呈色度が強
い程、ポリ3-ヒドロキシブタン酸の細胞内含量が高いと
評価することができる。また、312nmの光照射によって
発する蛍光の強度によっても高感度に観察できる[Spick
ermann et al. Arch Microbiol., 171: 73-80 (199
9)]。
【0024】また、各クローン中のポリ3-ヒドロキシブ
タン酸含量の正確な定量は、以下のようにして行うこと
ができる。すなわち、ポリ3-ヒドロキシブタン酸含量
が、乾燥菌体重量換算で約1%以上の場合には、細胞か
らポリ3-リヒドロキシブタン酸を、有機溶媒(例えば、
クロロホルム)により抽出後、メタノール-濃硫酸溶液
中でメタノリシスさせ、3-ヒドロキシブタン酸のメチル
化体をガスクロマトグラフィー(GC)によって分析する方
法により行うことができる。また、ポリ3-ヒドロキシブ
タン酸含量が、乾燥菌体重量換算で約1%未満の場合に
は、ポリ3-ヒドロキシブタン酸を、高温下濃硫酸によっ
てクロトン酸変換(脱離反応)し、高速液体クロマトグ
ラフィー(HPLC)に供試し、他成分と分離させ、210nm
での吸収を分光学的に検出する方法等によって行うこと
ができる[Karr et al.:Appl. Environ. Microbiol.,46:
1339-1344(1983);Seebach et al.:Eur. J. Biochem.,
224:317-328(1994)]。なお、進化工学的手法により、酵
素学的性質が様々に変化した変異型酵素を得られること
は、例えば、縦軸を酵素活性、横軸をクローン番号とす
る適応度地形を描くことにより明瞭化することができ
る。
【0025】(4) 酵素学的性質の改変に寄与するアミノ
酸部位の特定 上記(3)において酵素学的性質の変化が認められたクロ
ーンについて、当該酵素をコードする遺伝子の塩基配列
を決定し、前記酵素の推定アミノ酸配列を野生型酵素の
アミノ酸配列と比較することにより、機能マッピング、
すなわち、酵素タンパク質上において酵素学的性質の改
変にどのアミノ酸が寄与しているのかを特定することが
できる。なお、塩基配列の決定は、当該技術分野で公知
の手法(例えば、ジデオキシ法)により、自動塩基配列
決定機(例えば、PERKIN-ELMER社製373A DNAシークエン
サー等)用いて行うことができる。
【0026】ここで、酵素学的性質の改変が見出された
ある酵素変異体について、そのアミノ酸配列上に複数の
アミノ酸置換が同定された場合には、それぞれのアミノ
酸置換が、酵素学的性質の改変にどの程度寄与している
のかを、遺伝子工学的手法によってワンポイント変異酵
素(酵素タンパク質上の1つのアミノ酸のみが別のアミ
ノ酸に置換された変異体)を作成し調べることができ
る。すなわち、例えば、酵素をコードするDNA上の、変
異を生じさせたい部位を含む領域を、制限酵素で除去
し、代わりに所望のアミノ酸にワンポイント置換された
コドンを含むDNA断片を挿入する。これにより、1つの
アミノ酸置換のみを含む変異型酵素をコードするDNAを
作製することができる。当該DNAを適当な発現ベクター
に連結して、宿主に導入し、当該宿主中でワンポイント
変異酵素を発現させ、その酵素学的性質を野生型酵素と
比較することにより、酵素学的性質に影響を及ぼすその
アミノ酸の寄与度を調べることが可能である。
【0027】なお、本発明においては、配列番号2で表
されるアミノ酸配列からなるポリ3-ヒドロキシブタン酸
合成酵素において、ポリ3-ヒドロキシブタン酸の生成量
に影響を及ぼすアミノ酸として、N末端より15番目のリ
ジン、35番目のセリン、39番目のグルタミン、58番目の
ロイシン、63番目のイソロイシン、80番目のセリン、14
1番目のアルギニン、148番目のイソロイシン、154番目
のアラニン、174番目のセリン、183番目のバリン、231
番目のロイシン、241番目のロイシン、283番目のセリ
ン、304番目のアラニン、306番目のアスパラギン酸、31
3番目のイソロイシン、343番目のバリン、346番目のロ
イシン、358番目のロイシン、391番目のアラニン、393
番目のトレオニン、426番目のアスパラギン、470番目の
バリン、519番目のアスパラギン、546番目のセリン、56
5番目のアラニン及び577番目のイソロイシンが特定され
た。なお、上記アミノ酸の特定に使用した変異型ポリ3-
ヒドロキシブタン酸合成酵素のアミノ酸配列をそれぞれ
配列番号26、28、30、32、34、36、38、
40、42、44、46、48、50、52、54、5
6、58及び60に、それらをコードするDNAの塩基配
列を、配列番号25、27、29、31、33、35、
37、39、41、43、45、47、49、51、5
3、55、57及び59にそれぞれ示した。
【0028】(5) 部位特異的変異 上記(4)において見出された酵素学的性質の改変に寄与
するアミノ酸部位に対し、部位特異的変異を導入するこ
とによって、所望の性質を有する酵素に最適化すること
ができる。目的酵素遺伝子への部位特的な変異の導入
は、以下のように、組換えDNA技術、PCR法等を用いて行
うことができる。すなわち、組換えDNA技術による変異
の導入は、例えば、ポリ3-ヒドロキシブタン酸合成酵素
遺伝子中の変異導入を希望する目的の部位の両側に適当
な制限酵素認識配列が存在する場合に、そこを前記制限
酵素で切断し、変異導入を希望する部位を含む領域を除
去した後、化学合成等によって目的の部位のみに変異導
入したDNA断片を挿入するカセット変異法によって行う
ことができる。また、PCRによる部位特異的変異の導入
は、ポリ3-ヒドロキシブタン酸合成酵素遺伝子中の変異
導入を希望する目的の部位に目的の変異を導入した変異
プライマーと前記遺伝子の一方の末端部位の配列を含む
変異を有しない増幅用プライマーとで前記遺伝子の片側
を増幅し、前記変異用プライマーに対して相補的な配列
を有する変異用プライマーと前記遺伝子のもう一方の末
端部位の配列を含む変異を有しない増幅用プライマーで
もう片側を増幅し、得られた2つの増幅断片をアニール
後、さらに前記2種類の増幅用プライマーでPCRをする
ことにより行うことができる[SHORT PROTOCOLS IN MOLE
CULAR BIOLOGY, 3rd ed, 1995, F.A. Susubel et al.,
WILEY]。得られた部位特異的変異構築物について、上記
(3)の酵素学的性質について調べ、所望の性質に改変し
た酵素の活性を調べ、所望の性質を有する酵素を保有す
るクローンを選択する。
【0029】2.組換えベクター及び形質転換体の作製 本発明の組換えベクターは本発明の改変遺伝子を適当な
ベクターに連結(挿入)することにより得ることがで
き、また、本発明の形質転換体は本発明の組換えベクタ
ーを本発明の遺伝子が発現し得るように宿主中に導入す
ることにより得ることができる。遺伝子を挿入するため
のベクターは、宿主中で自立複製可能なものであれば特
に限定されず、プラスミドDNAやファージDNAをベクター
として用いることができる。例えば、大腸菌を宿主とし
て用いる場合には、pBR322、pUC18、pBluescript II等
のプラスミドDNA、EMBL3、M13、λgt11等のファージDNA
等を、酵母を宿主として用いる場合は、YEp13 、YCp50
等を、植物細胞を宿主として用いる場合には、pBI121、
pBI101等を、動物細胞を宿主として用いる場合は、pcDN
AI、pcDNAI/Amp(インビトロジェン社)等をベクターと
して用いることができる。
【0030】細菌への組換え体DNAの導入方法として
は、例えばカルシウムイオンを用いる方法[Current Pro
tocols in Molecular Biology, 1巻, 1.8.1 頁,1994
年]やエレクトロポレーション法[Current Protocols in
Molecular Biology, 1巻,1.8.4 頁, 1994年]等が挙げ
られる。酵母への組換え体DNAの導入方法としては、例
えばエレクトロポレーション法[Methods Enzymol.,194,
182-187(1990)]、スフェロプラスト法[Proc. Natl. Aca
d. Sci. USA, 84, 1929-1933 (1978)]、酢酸リチウム法
[J. Bacteriol., 153, 163-168 (1983)]等が挙げられ
る。植物細胞への組換え体DNAの導入方法としては、ア
グロバクテリウム感染法、パーティクルガン法、ポリエ
チレングリコール法等が挙げられる。動物細胞への組換
え体DNAの導入方法としては、例えば、エレクトロポレ
ーション法、リン酸カルシウム法等が挙げられる。
【0031】3.改変酵素の製造 本発明の改変酵素は、本発明の形質転換体を培地で培養
し、培養物(培養菌体又は培養上清)中に本発明の改変
酵素を生成蓄積させ、該培養物から前記改変酵素を採取
することにより製造ことができる。
【0032】本発明の形質転換体を培地で培養する方法
は、宿主の培養に用いられる通常の方法に従って行われ
る。大腸菌等の細菌を宿主として得られた形質転換体を
培養する培地としては、完全培地又は合成培地、例えば
LB培地、M9培地等が挙げられる。また、培養温度は37℃
で好気的に12〜14時間培養することにより前記改変酵素
を菌体内に蓄積させ、回収する。
【0033】炭素源は微生物の増殖に必要であり、例え
ばグルコース、フラクトース、スクロース、マルトース
等の炭水化物が挙げられる。窒素源としては例えばアン
モニア、塩化アンモニウム、硫酸アンモニウム、リン酸
アンモニウム等のアンモニウム塩の他、ペプトン、肉エ
キス、酵母エキス、コーンスティープリカー等が挙げら
れる。また、無機物としては例えばリン酸第一カリウ
ム、リン酸第二カリウム、リン酸マグネシウム、硫酸マ
グネシウム、塩化ナトリウム等が挙げられる。必要に応
じて、培地中に、カナマイシン、アンピシリン、テトラ
サイクリン等の抗生物質を培地に添加してもよい。
【0034】改変酵素の精製は、得られる培養物を遠心
して回収し(細胞についてはソニケーターにて破砕す
る)、アフィニティークロマトグラフィー、陽イオン又
は陰イオン交換クロマトグラフィー、ゲル濾過等を単独
で又は適宜組み合わせることによって行うことができ
る。得られた精製物質が目的の酵素であることの確認
は、通常の方法、例えばSDSポリアクリルアミドゲル電
気泳動、ウエスタンブロッティング等により行うことが
できる。
【0035】4.生分解性エステル重合物の製造 上記2において得られた形質転換体を適当な培地で培養
することによって、生分解性エステル重合物を製造する
ことができる。本発明において得られた変異型ポリ3-ヒ
ドロキシブタン酸合成酵素を用いれば、重合度の低い3-
ヒドロキシブタン酸のオリゴマーを製造することができ
る。培地としては、グルコース等の糖、グルコン酸、オ
クタン酸、ドデカン酸、テトラデカン酸等の有機酸を主
要炭素源とする培地などが挙げられる。細胞内に蓄積さ
れたポリエステルの細胞内含量及びポリエステルの組成
は、加藤らの方法[Kato, M. et al., Appl. Microbiol.
Biotechnol.45, 363(1996);Kato, M. et al., Bull.
Chem. Soc. Jpn. 69, 515(1996)]に従い、細胞からク
ロロホルム等の有機溶媒を用いて抽出後、抽出物をガス
クロマトグラフィー、NMRなどに供試することに測定・
分析することができる。
【0036】
【実施例】以下に、本発明の実施例を示して具体的に説
明するが、本発明の範囲はこれらに限定されるものでは
ない。 〔実施例1〕 error-prone PCR法によるポリ3-ヒドロ
キシブタン酸合成酵素の改変 error-prone PCR法によって、ラルストニア・ユートロ
ファH16(ATCC 23440)由来のポリ3-ヒドロキシブタン
酸合成酵素遺伝子(PhbCRe)にランダム変異を導入し
た。変異体取得までの工程を図6に示した。すなわち、
プライマーとして、制限酵素Csp45I認識配列(PhbCRe
開始コドンATGの約25塩基上流に位置)を含む順方向プ
ライマー(ReCf):5'-gccggttcgaatagtgacgg-3'(配列番
号61)及びSse83871認識配列を含む逆方向プライマー
(ReCr):5'-agggaacctgcaggcctgccg-3'(配列番号6
2)を、鋳型として、PhbCRe遺伝子を含むプラスミドベ
クターpGEM'-phbCABReを用い、ポリメラーゼの基質取り
込み忠実性を低下させる条件(表1)でPCRを行うこと
により、変異の場所を限定することなくPhbCRe遺伝子全
域への変異の導入を試みた。
【0037】
【表1】
【0038】PCRは、94℃に5分間保持した後、94℃1
分間の熱変性、50℃で1分間のアニーリング、72℃で2
分間の伸長反応を1サイクルとして、25サイクル行った
後、72℃に5分間保持後、増幅産物を4℃に保存した。
【0039】次いで、PCRによって得られた増幅DNA断片
(約1.9塩基)をアガロースゲル電気泳動によって精製
単離し、Csp45IとSse8387Iによって切断後、元のプラス
ミドベクターpGEM'-phbCABReの同制限酵素サイトに連結
挿入することにより変異型PhbCReの分子集団(変異クロ
ーンのプール)を得た。
【0040】上記の操作によって得た変異型PhbCReの分
子集団を3つのグループ(グループ1〜3)に分けて、
個別に大腸菌JM109株[Yanisch-Perron et al.,1985]の
コンピテント細胞に形質転換した。形質転換処理細胞
を、ポリ3-ヒドリキシブタン酸を特異的に染色すること
ができるNile Red、グルコース及びアンピシリンを含有
するLB寒天培地(0.5μg/ml Nile Red、2%グルコー
ス、50μg/mlアンピシリン、1%トリプトン、0.5%酵
母エキス、1%NaCl、pH7.0)上で植え、培養すること
によって形質転換細胞を選別するとともに、ピンク色の
度合いによって、各形質転換細胞におけるポリ3-ヒドリ
キシブタン酸の生産蓄積量を見積もった。その結果、ポ
リ3-ヒドリキシブタン酸の生産蓄積量が少なく、ポリ3-
ヒドロキシブタン酸合成酵素が低活性型に改変されたと
判定されるクローンの存在比は、全体の20〜30%であっ
た。ここで得られた変異集団を、以下の実施例に使用し
た。
【0041】〔実施例2〕 ポリ3-ヒドロキシブタン酸
合成酵素変異クローンの分離 (1) 候補クローンの選択 まずは、ポリ3-ヒドロキシブタン酸合成酵素の機能マッ
ピング(どういう変異が活性発現に関わっているかの解
析)とオリゴマーを生産する細胞株の樹立を目的とし
て、実施例1において得られた変異集団の中から、低活
性変異型酵素の分離を試みた。合計6240個の大腸菌コロ
ニーから候補クローンを選び、形質転換大腸菌からプラ
スミドベクターを精製単離した。ポリマー蓄積の再現性
またクローンの均一性を確認するため、単離したベクタ
ーを用いて再度、大腸菌JM109 株を形質転換した。その
結果、ポリマー蓄積の再現性またクローンの均一性を保
証する結果が得られた。
【0042】(2) 変異クローン中のポリ3-ヒドロキシブ
タン酸蓄積率の測定 各変異クローンの正確なポリ3-ヒドロキシブタン酸蓄積
率をHPLCを用いて測定した。すなわち、まず被検細胞
を、2%グルコース及びアンピシリンを加えたLB培地17ml
に変異遺伝子を保有した大腸菌を植菌し、14時間培養を
行った。培養後、培養液をあらかじめ重量を測定した1.
5 mLスクリューキャップ付きアシストチューブに移し、
10000rpm、2分間、室温で遠心分離を行い菌体を回収し
た。次に菌体にTE バッファーを加え、懸濁し、同様に
遠心分離を行い、-80℃で2時間凍結し2日間真空乾燥を
行った。凍結乾燥を終えた乾燥菌体の重量を測定し、ク
ロトン酸変換を行った。クロトン酸変換は、アシストチ
ューブに入った乾燥菌体に、1 mLの硫酸を加え、120℃
のヒートブロックで40分間サンプルを加熱することで行
った。途中1回激しく撹拌を行った。40分後氷中で急冷
した。その後、0.014Nの硫酸溶液4 mLを撹拌し、冷まし
ながらゆっくりと加えた。クロトン酸変換したサンプル
は親水性PVDF膜、孔経0.45μmのフィルターでろ過し、H
PLCへのサンプルの注入量は10μLで分析を行った。移動
相は0.014Nの硫酸溶液を用い、流速は0.7 mL/分で行っ
た。本カラムは、イオン型Hの架橋度8%スチレンジビニ
ルベンゼン共重合体系陽イオン交換樹脂カラム(300×7.
8 mm、アミネックスHPX-87Hカラム、BIO-RAD)を用い、
ガードカラムとしてはカチオンHカートリッジタイプ(3
0×4.6 mm)のカラムを使用した。カラム温度は60℃に
設定し、クロトン酸のカルボキシル基の吸収であるUV21
0nmの波長を測定することでクロトン酸の保持時間を測
定した。ポリ3-ヒドロキシブタン酸の蓄積率は、HPLCで
得られたクロトン酸の量と面積の関係式(検量線)を基
に、純正のポリ3-ヒドロキシブタン酸からクロトン酸へ
の変換効率50%を用いて算出した。
【0043】(3) 適応度地形 変異クローンのうち、約380のクローンを用いて適応度
地形を作成した。作成結果を図7に示した。また、表2
には、変異クローンのうち任意に選択した18個のクーロ
ンのポリ3-ヒドロキシブタン酸蓄積率を示した。なお、
図7中の破線は野生型合成酵素のポリ3-ヒドロキシブタ
ン酸蓄積率の平均値である。数パーセントから80%くら
いまでに至る幅のポリ3-ヒドロキシブタン酸蓄積率を示
す変異型酵素のバリエーションが存在することがわか
る。このことより、進化工学的手法により、野生型酵素
の蓄積率の改変させ得る変異型ポリ3-ヒドロキシブタン
酸合成酵素を得ることができることが判明した。
【0044】
【表2】
【0045】(4) 変異クローンのポリ3-ヒドロキシブタ
ン酸合成酵素遺伝子の塩基配列の解析 酵素の機能マッピングのために、上記(3)において任意
に選択した18個のクローンのポリ3-ヒドロキシブタン酸
合成酵素遺伝子の配列解析をおこなった。解析用プライ
マーは、先のerror-prone PCR用プライマー2種(ReCf
とReCr)以外に、2種類のセンスプライマー:5'-acatg
atggaagacctgaca-3'(配列番号63)及び5'-ccatgtgca
gttgcgcgagg-3'(配列番号64)、2種類のアンチセン
スプライマー:5'-gaccacggcgccttcggtcac-3'(配列番
号65)及び5'-ccggcgtgttgcccttcagg-3'(配列番号6
6)の計6種のプライマーを使用し、配列解析を行っ
た。塩基配列決定は、PERKIN ELMER APPLIED BIOSYSTEM
S社製のDNA Sequencing Kit(BigDyeTM Terminator Cyc
le Sequencing Ready Reaction)を用いて、PCRにてthe
rmal cycle反応させ、その反応サンプルをキャピラリー
型Sequencer(PERKINELMER APPLIED BIOSYSTEMS、ABI P
RISMTM、310 Genetic Analyzer)に供した。解析を終え
た低活性変異クローンの変異部位を図8にまとめた。図
8において、ポリ3-ヒドロキシアルカン酸合成酵素にお
いて一般に保存されているアミノ酸残基に変異が導入し
ていたのを白丸で示し、保存残基に変異が導入してい
て、なおかつ変異の導入により大きくポリ3-ヒドロキシ
ブタン酸蓄積率が減少している変異クローンの変異箇所
を黒丸で示した。図8から明らかなように、変異は当該
酵素のアミノ酸配列の全域にわたって導入されており、
実施例1に記載のerror-prone PCRは網羅的変異導入の
ために好適な条件であったことがわかった。前記18個の
変異クローンのうち、変異部位が1箇所のシングル変異
体は10個(1-12、2-12、2-21、F-3、B-1、B-7、R-28、H
-16、E-11、M-22)、変異部位が2箇所のダブル変異体
は6個(1-11、1-14、2-4、2-9、H-14、P-5)、変異部
位が3箇所のトリプル変異体は2個(1-15、D-3)であ
った。ポリ3-ヒドロキシブタン酸蓄積率が大きく減少し
ていた変異クローンは、α/βヒドロラーゼフォールド
を形成する領域に変異が導入されていた。α/βヒドロ
ラーゼフォールドとは、リパーゼなどの加水分解酵素に
多く見られる構造で、加水分解を行う時に重要な活性中
心残基を含む領域である[Ollis et al., 1992]。ラルス
トニア・ユートロファ来のポリ3-ヒドロキシブタン酸合
成酵素は589アミノ酸から成り、約270番目のグリシンか
ら526番目のL-アスパラギンまでがα/βヒドロラーゼ
フォールドを形成していることが報告されている[Maeha
ra, 2000]。そして、今まで知られている全てのポリ3-
ヒドロキシアルカン酸合成酵素は、リパーゼボックス(G
-X-[S/C]-X-G)と呼ばれる活性中心を持ち[Steinbuchel
et al., 1992]、ラルストニア・ユートロファ由来のポ
リ3-ヒドロキシブタン酸合成酵素は319番目のシステイ
ンが活性中心残基である。
【0046】例えば、2-12という変異クローンは、α/
βヒドロラーゼフォールド内に存在する保存残基である
358番目のロイシンがプロリンに変わっているが、ポリ3
-ヒドロキシブタン酸蓄積率が2.84%と大きく減少して
いることから、この箇所は重要な場所であることわか
る。また、プロリンはアミノ基の窒素原子が環状構造の
中に組み込まれた構造をしていて、プロリン残基はポリ
ペプチド骨格の通常の構造を壊す作用を起こすといわれ
ている。358番目のロイシンがプロリンに変わっている
ことも影響していると考えられる。また、425番目のト
リプトファンは、ポリ3-ヒドロキシブタン酸合成酵素の
二量化に重要な箇所であることが指摘されているが[Jia
et al., 2000]、1-11の変異クローンは、425番目の隣
の426番目のメチオニンがセリンに変わっている。この
変異から、1-11は二量化に影響を受けた変異であること
が考えられる。一方、F-3という変異クローンは、保存
残基である565番目のアラニンがグルタミン酸に変わっ
ているが、ポリ3-ヒドロキシブタン酸蓄積率が64%と、
ほぼ野生型クローンと変わらない蓄積率を示すことか
ら、この場所は保存残基であるが、ポリ3-ヒドロキシブ
タン酸合成酵素の触媒活性にとっては重要な箇所ではな
いことが示唆された。
【0047】この結果より、ポリ3-ヒドロキシブタン酸
合成酵素を構成する配列番号2で表されるアミノ酸配列
において、N末端より15番目のリジン、35番目のセリ
ン、39番目のグルタミン、58番目のロイシン、63番目の
イソロイシン、80番目のセリン、141番目のアルギニ
ン、148番目のイソロイシン、154番目のアラニン、174
番目のセリン、183番目のバリン、231番目のロイシン、
241番目のロイシン、283番目のセリン、304番目のアラ
ニン、306番目のアスパラギン酸、313番目のイソロイシ
ン、343番目のバリン、346番目のロイシン、358番目の
ロイシン、391番目のアラニン、393番目のトレオニン、
426番目のアスパラギン、470番目のバリン、519番目の
アスパラギン、546番目のセリン及び577番目のイソロイ
シンがポリ3-ヒドロキシブタン酸合成酵素の活性に重要
な役割を果たしていることが判明した。
【0048】〔実施例3〕 ポリ3-ヒドロキシブタン酸
合成酵素活性の測定 以下のようにして、前記18個の変異クローンの中からポ
リ3-ヒドロキシブタン酸蓄積率の異なる7株(B-1、P-
5、E-11、1-11、M-22、2-12、1-14)及び、野生株の合
計8株について、ポリ3-ヒドロキシブタン酸合成酵素の
活性を測定した。まず、アンピシリン(50μg/mL)を含む
5mLのLB液体培地に、各株の単一コロニーを植菌し、37
℃で、7時間培養した。次いで、遠心分離により菌体を
集菌し、洗浄バッファー(20 mMリン酸バッファー(pH7.
2)+1 mM EDTA)で洗浄後、約200μLの洗浄バッファー
に再懸濁した菌体を、超音波破砕(5秒×5)することに
より調製した。
【0049】得られた粗酵素液中のポリ3-ヒドロキシブ
タン酸合成酵素の活性を、Gerngrossらの方法[Gerngros
s et al.,1994]により測定した。この方法は基質(R)-3H
B-CoAから、酵素の作用により遊離するCoAを定量するこ
とに基づくものである。すなわち、まず4.08 mM (R)-3H
B-CoAを含む1Mリン酸カリウムバッファー(pH 7.0)を2
5℃で10分間予熱後、前記粗酵素液を添加して反応を開
始した。経時的に20μLずつサンプリングし、得られた
サンプリング液に50μLの5%TCAを加えて撹拌し酵素反
応を停止させた。4℃、15000rpmで10分間遠心し、得ら
れた上清62.5μLに、337.5μLの500 mMリン酸カリウム
バッファー(pH7.5)及び5μLの10 mM DTNB溶液を添加
後、室温に2分間以上放置した。その後、生成したTNBア
ニオンの吸光度(412 nmにおける吸光度、モル吸光係
数:13600)を測定した。1分間当たりに1μmolのTNB
アニオンを生成する酵素量を1U(ユニット)とした。図
9に、各変異クローンにおけるポリ3-ヒドロキシブタン
酸合成酵素の活性とポリ3-ヒドロキシブタン酸蓄積率と
の関係を示した。図9から明らかなように、酵素活性と
蓄積率との間には正の相関があることが判明した。一般
にポリマー蓄積の速度はモノマーの供給が律速であると
いわれるが、本ケースにおいては、前記の結果から、3H
B-CoAモノマーは充分に細胞内で供給されており、ポリ3
-ヒドロキシブタン酸の細胞内蓄積率は、ポリ3-ヒドロ
キシブタン酸合成酵素の活性に依存して決まるものと考
えられた。また、上記結果から、本発明におけるインビ
ボ分析システムは有効に機能し、当該システムを用いる
ことによって細胞内酵素活性をポリ3-ヒドロキシブタン
酸蓄積率を指標にして非常に効率よくモニター可能であ
ることが証明された。
【0050】〔実施例4〕 ポリ3-ヒドロキシブタン酸
蓄積率に及ぼす宿主の影響 宿主として、プロテアーゼを欠損した大腸菌UT5600株[E
arhart et al., 1979]を用いた場合のポリ3-ヒドロキシ
ブタン酸蓄積率を測定した。UT5600株において得られた
ポリ3-ヒドロキシブタン酸蓄積率とJM109株において得
られたポリ3-ヒドロキシブタン酸蓄積率との比較を図1
0に示した。図10から明らかなように、宿主の違いに
よりポリ3-ヒドロキシブタン酸蓄積率の絶対値が異なる
結果が得られたものの、野生株中のポリ3-ヒドロキシブ
タン酸蓄積率に対する相対比は両宿主間でほぼ一致して
いた。このことから、各ポリ3-ヒドロキシブタン酸合成
酵素を有するそれぞれの変異クローン間のポリ3-ヒドロ
キシブタン酸蓄積能力の優劣は、宿主の違いに影響され
ないことがわかった。
【0051】一方、例外として、図10から明らかなよ
うに、E-11は、宿主をUT5600株に変えたことにより前記
相対比が大きく変化するという結果が得られた。これ
は、宿主大腸菌細胞内の環境(例えば、プロテアーゼ活
性)に対する各変異型ポリ3-ヒドロキシブタン酸合成酵
素の感受性の差に起因するものであり、E-11の変異型ポ
リ3-ヒドロキシブタン酸合成酵素は、JM109株中で構造
を安定に保っていられるが、それ以外の変異クローンの
ポリ3-ヒドロキシブタン酸合成酵素は構造を維持できな
い環境であり、結果としてE-11の変異クローンの蓄積率
の相対比が高くなったと考えられる。従って、各変異型
ポリ3-ヒドロキシブタン酸合成酵素は、JM109株よりもU
T5600株において構造を維持しやすいということができ
る。
【0052】〔実施例5〕 変異クローンE-11のポリ3-
ヒドロキシブタン酸合成酵素の熱安定性 実施例4において判明したE-11の変異型ポリ3-ヒドロキ
シブタン酸合成酵素の熱安定性について調べた。まず、
アンピシリン(50μg/mL)を含む5mLのLB液体培地に、E-
11クローンの単一コロニーを植菌し、37℃で、7時間培
養した。遠心分離により菌体を集菌し、洗浄バッファー
(20 mMリン酸バッファー(pH7.2)+1 mMEDTA)で洗浄し
た。約350μLの洗浄バッファーに再懸濁し、超音波(5se
c×5)により菌体を破砕した。破砕後の粗酵素液を50℃
のヒートブロック中に置き、経時的に50μLずつサンプ
リングを行い、各サンプル中のポリ3-ヒドロキシブタン
酸合成酵素活性を測定した。結果を図11に示した。図
11から明らかなように、50℃に約2分間に保持した後
の残存活性は、野生型ポリ3-ヒドロキシブタン酸合成酵
素が54%であったのに対し、E-11の変異型ポリ3-ヒドロ
キシブタン酸合成酵素は70%と、変異型酵素は熱安定性
が向上していた。また、酵素活性が50%まで活性が落ち
るのに要する時間(T1/2)は、野生型酵素が2.2分であ
ったのに対し、E-11の変異型酵素は3.1分と、変異型酵
素の方がT1/2は約1分間長かった。E-11の変異型ポリ3-
ヒドロキシブタン酸合成酵素はN末端から80番目のセリ
ンがプロリンに変化したものである。従って、N末端か
ら80番目のアミノ酸を置換することによって酵素の安定
性を向上させ得ることが判明した。
【0053】〔実施例6〕 蛍光顕微鏡によるポリ3-ヒ
ドロキシブタン酸グラニュール形状の観察 ポリ3-ヒドロキシブタン酸蓄積率の異なる変異クローン
(B-1、P-5、1-11)の単一コロニーを、2%グルコース
とアンピシリン(50μg/mL)を加えたLBプレート培地に植
え継ぎ、37℃で12時間静置し培養した。その後、プレー
トを4℃で保存し、菌体内のポリ3-ヒドロキシブタン酸
グラニュールの蓄積状態を蛍光顕微鏡下で経時的に観察
した。ここで、サンプル調製は、以下のようにして行っ
た。ガラス板に滅菌水を適量垂らし、そこにコロニーを
塗り広げ、60℃で乾かした。その後ポリ3-ヒドロキシブ
タン酸グラニュールの染色試薬であるNile blue A液を
数滴垂らし、60℃で乾かした。蒸留水でNile blue A液
を洗い流した後、8%酢酸水溶液で固定化し、観察用サ
ンプルとした。顕微鏡はOLYMPUS社製BX51システム生物
顕微鏡を用いた。
【0054】観察結果を図12に示した。図12の
(A)は、位相差顕微鏡図であり、(B)はUV照射によ
る蛍光顕微鏡図である。野生型、B-1、1-11のクローン
は大きいポリ3-ヒドロキシブタン酸グラニュールが塊と
して菌体内に蓄積されていた。しかし、P-5の変異クロ
ーンは小さなポリ3-ヒドロキシブタン酸グラニュールが
多数菌体内に存在していた。Jungらは、菌体内のグラニ
ュールの形状は、ポリ3-ヒドロキシブタン酸合成酵素を
増強した場合、小さく多数のグラニュールが菌体内に蓄
積されることを報告している[Jung et al., 2000]。一
方、モノマー供給系遺伝子を増強した場合には、大きく
数の少ないグラニュールが視察されている。この報告か
ら、ポリ3-ヒドロキシブタン酸合成酵素の発現量が、P-
5の変異クローンの方が野生型に比べて多い場合に、こ
のような結果になる可能性がある。しかし、液体培地で
培養した時の野生型、B-1、P-5、1-11のクローンのポリ
3-ヒドロキシブタン酸合成酵素の発現量をウエスタン分
析で測定したところ、B-1、P-5、1-11のいずれにおいて
も発現量はほぼ同程度であった。P-5のアミノ酸置換
は、α/β hydrolase foldを形成する領域に存在する、
互いに近接した部位での二重変異である。また、一つは
保存残基であることから、PHB重合酵素の触媒能力にな
んらかの影響をおよぼす部位である可能性が示唆され
た。
【0055】
【発明の効果】本発明は、所望の物性を有する生分解性
ポリエステルの製造方法の構築に有用である。
【0056】
【配列表】 SEQUENCE LISTING <110> RIKEN <120> A method of modification of biodegradable polyester synthase <130> RJH12-127 <160> 66 <170> PatentIn Ver. 2.0 <210> 1 <211> 2768 <212> DNA <213> Ralstonia eutropha <220> <221> CDS <222> (842)..(2608) <400> 1 cccgggcaag taccttgccg acatctatgc gctggcgcgc acgcgcctgg cgcgcgccgg 60 ctgtaccgag gtctacggcg gcgacgcctg caccgtggcc gacgccggtc gcttctactc 120 ctatcggcgc gatggcgtga ccggccgcat ggccagcctg gtctggctgg cggactgagc 180 ccgccgctgc ctcactcgtc cttgcccctg gccgcctgcg cgcgctcggc ttcagccttg 240 cgtcggcggc ggccgggcgt gcccatgatg tagagcacca cgccaccggc gccatgccat 300 acatcaggaa ggtggcaacg cctgccacca cgttgtgctc ggtgatcgcc atcatcagcg 360 ccacgtagag ccagccaatg gccacgatgt acatcaaaaa ttcatccttc tcgcctatgc 420 tctggggcct cggcagatgc gagcgctgca taccgtccgg taggtcggga agcgtgcagt 480 gccgaggcgg attcccgcat tgacagcgcg tgcgttgcaa ggcaacaatg gactcaaatg 540 tctcggaatc gctgacgatt cccaggtttc tccggcaagc atagcgcatg gcgtctccat 600 gcgagaatgt cgcgcttgcc ggataaaagg ggagccgcta tcggaatgga cgcaagccac 660 ggccgcagca ggtgcggtcg agggcttcca gccagttcca gggcagatgt gccggcagac 720 cctcccgctt tgggggaggc gcaagccggg tccattcgga tagcatctcc ccatgcaaag 780 tgccggccag ggcaatgccc ggagccggtt cgaatagtga cggcagagag acaatcaaat 840 c atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 889 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 937 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 985 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 1033 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 1081 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 1129 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 1177 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 1225 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 1273 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 1321 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 1369 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 1417 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 1465 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 1513 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 1561 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 1609 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 1657 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 1705 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 1753 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 1801 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1849 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1897 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1945 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1993 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 2041 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 2089 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 2137 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 2185 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 2233 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 2281 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 2329 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 2377 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 2425 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 2473 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 2521 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 2569 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tgacgcttgc 2618 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 atgagtgccg gcgtgcgtca tgcacggcgc cggcaggcct gcaggttccc tcccgtttcc 2678 attgaaagga ctacacaatg actgacgttg tcatcgtatc cgccgcccgc accgcggtcg 2738 gcaagtttgg cggctcgctg gccaagatcc 2768 <210> 2 <211> 589 <212> PRT <213> Ralstonia eutropha <400> 2 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 3 <211> 1785 <212> DNA <213> Aeromonas caviae <220> <221> CDS <222> (1)..(1785) <400> 3 atg agc caa cca tct tat ggc ccg ctg ttc gag gcc ctg gcc cac tac 48 Met Ser Gln Pro Ser Tyr Gly Pro Leu Phe Glu Ala Leu Ala His Tyr 1 5 10 15 aat gac aag ctg ctg gcc atg gcc aag gcc cag aca gag cgc acc gcc 96 Asn Asp Lys Leu Leu Ala Met Ala Lys Ala Gln Thr Glu Arg Thr Ala 20 25 30 cag gcg ctg ctg cag acc aat ctg gac gat ctg ggc cag gtg ctg gag 144 Gln Ala Leu Leu Gln Thr Asn Leu Asp Asp Leu Gly Gln Val Leu Glu 35 40 45 cag ggc agc cag caa ccc tgg cag ctg atc cag gcc cag atg aac tgg 192 Gln Gly Ser Gln Gln Pro Trp Gln Leu Ile Gln Ala Gln Met Asn Trp 50 55 60 tgg cag gat cag ctc aag ctg atg cag cac acc ctg ctc aaa agc gca 240 Trp Gln Asp Gln Leu Lys Leu Met Gln His Thr Leu Leu Lys Ser Ala 65 70 75 80 ggc cag ccg agc gag ccg gtg atc acc ccg gag cgc agc gat cgc cgc 288 Gly Gln Pro Ser Glu Pro Val Ile Thr Pro Glu Arg Ser Asp Arg Arg 85 90 95 ttc aag gcc gag gcc tgg agc gaa caa ccc atc tat gac tac ctc aag 336 Phe Lys Ala Glu Ala Trp Ser Glu Gln Pro Ile Tyr Asp Tyr Leu Lys 100 105 110 cag tcc tac ctg ctc acc gcc agg cac ctg ctg gcc tcg gtg gat gcc 384 Gln Ser Tyr Leu Leu Thr Ala Arg His Leu Leu Ala Ser Val Asp Ala 115 120 125 ctg gag ggc gtc ccc cag aag agc cgg gag cgg ctg cgt ttc ttc acc 432 Leu Glu Gly Val Pro Gln Lys Ser Arg Glu Arg Leu Arg Phe Phe Thr 130 135 140 cgc cag tac gtc aac gcc atg gcc ccc agc aac ttc ctg gcc acc aac 480 Arg Gln Tyr Val Asn Ala Met Ala Pro Ser Asn Phe Leu Ala Thr Asn 145 150 155 160 ccc gag ctg ctc aag ctg acc ctg gag tcc gac ggc cag aac ctg gtg 528 Pro Glu Leu Leu Lys Leu Thr Leu Glu Ser Asp Gly Gln Asn Leu Val 165 170 175 cgc gga ctg gcc ctc ttg gcc gag gat ctg gag cgc agc gcc gat cag 576 Arg Gly Leu Ala Leu Leu Ala Glu Asp Leu Glu Arg Ser Ala Asp Gln 180 185 190 ctc aac atc cgc ctg acc gac gaa tcc gcc ttc gag ctc ggg cgg gat 624 Leu Asn Ile Arg Leu Thr Asp Glu Ser Ala Phe Glu Leu Gly Arg Asp 195 200 205 ctg gcc ctg acc ccg ggc cgg gtg gtg cag cgc acc gag ctc tat gag 672 Leu Ala Leu Thr Pro Gly Arg Val Val Gln Arg Thr Glu Leu Tyr Glu 210 215 220 ctc att cag tac agc ccg act acc gag acg gtg ggc aag aca cct gtg 720 Leu Ile Gln Tyr Ser Pro Thr Thr Glu Thr Val Gly Lys Thr Pro Val 225 230 235 240 ctg ata gtg ccg ccc ttc atc aac aag tac tac atc atg gac atg cgg 768 Leu Ile Val Pro Pro Phe Ile Asn Lys Tyr Tyr Ile Met Asp Met Arg 245 250 255 ccc cag aac tcc ctg gtc gcc tgg ctg gtc gcc cag ggc cag acg gta 816 Pro Gln Asn Ser Leu Val Ala Trp Leu Val Ala Gln Gly Gln Thr Val 260 265 270 ttc atg atc tcc tgg cgc aac ccg ggc gtg gcc cag gcc caa atc gat 864 Phe Met Ile Ser Trp Arg Asn Pro Gly Val Ala Gln Ala Gln Ile Asp 275 280 285 ctc gac gac tac gtg gtg gat ggc gtc atc gcc gcc ctg gac ggc gtg 912 Leu Asp Asp Tyr Val Val Asp Gly Val Ile Ala Ala Leu Asp Gly Val 290 295 300 gag gcg gcc acc ggc gag cgg gag gtg cac ggc atc ggc tac tgc atc 960 Glu Ala Ala Thr Gly Glu Arg Glu Val His Gly Ile Gly Tyr Cys Ile 305 310 315 320 ggc ggc acc gcc ctg tcg ctc gcc atg ggc tgg ctg gcg gcg cgg cgc 1008 Gly Gly Thr Ala Leu Ser Leu Ala Met Gly Trp Leu Ala Ala Arg Arg 325 330 335 cag aag cag cgg gtg cgc acc gcc acc ctg ttc act acc ctg ctg gac 1056 Gln Lys Gln Arg Val Arg Thr Ala Thr Leu Phe Thr Thr Leu Leu Asp 340 345 350 ttc tcc cag ccc ggg gag ctt ggc atc ttc atc cac gag ccc atc ata 1104 Phe Ser Gln Pro Gly Glu Leu Gly Ile Phe Ile His Glu Pro Ile Ile 355 360 365 gcg gcg ctc gag gcg caa aat gag gcc aag ggc atc atg gac ggg cgc 1152 Ala Ala Leu Glu Ala Gln Asn Glu Ala Lys Gly Ile Met Asp Gly Arg 370 375 380 cag ctg gcg gtc tcc ttc agc ctg ctg cgg gag aac agc ctc tac tgg 1200 Gln Leu Ala Val Ser Phe Ser Leu Leu Arg Glu Asn Ser Leu Tyr Trp 385 390 395 400 aac tac tac atc gac agc tac ctc aag ggt cag agc ccg gtg gcc ttc 1248 Asn Tyr Tyr Ile Asp Ser Tyr Leu Lys Gly Gln Ser Pro Val Ala Phe 405 410 415 gat ctg ctg cac tgg aac agc gac agc acc aat gtg gcg ggc aag acc 1296 Asp Leu Leu His Trp Asn Ser Asp Ser Thr Asn Val Ala Gly Lys Thr 420 425 430 cac aac agc ctg ctg cgc cgt ctc tac ctg gag aac cag ctg gtg aag 1344 His Asn Ser Leu Leu Arg Arg Leu Tyr Leu Glu Asn Gln Leu Val Lys 435 440 445 ggg gag ctc aag atc cgc aac acc cgc atc gat ctc ggc aag gtg aag 1392 Gly Glu Leu Lys Ile Arg Asn Thr Arg Ile Asp Leu Gly Lys Val Lys 450 455 460 acc cct gtg ctg ctg gtg tcg gcg gtg gac gat cac atc gcc ctc tgg 1440 Thr Pro Val Leu Leu Val Ser Ala Val Asp Asp His Ile Ala Leu Trp 465 470 475 480 cag ggc acc tgg cag ggc atg aag ctg ttt ggc ggg gag cag cgc ttc 1488 Gln Gly Thr Trp Gln Gly Met Lys Leu Phe Gly Gly Glu Gln Arg Phe 485 490 495 ctc ctg gcg gag tcc ggc cac atc gcc ggc atc atc aac ccg ccg gcc 1536 Leu Leu Ala Glu Ser Gly His Ile Ala Gly Ile Ile Asn Pro Pro Ala 500 505 510 gcc aac aag tac ggc ttc tgg cac aac ggg gcc gag gcc gag agc ccg 1584 Ala Asn Lys Tyr Gly Phe Trp His Asn Gly Ala Glu Ala Glu Ser Pro 515 520 525 gag agc tgg ctg gca ggg gcg acg cac cag ggc ggc tcc tgg tgg ccc 1632 Glu Ser Trp Leu Ala Gly Ala Thr His Gln Gly Gly Ser Trp Trp Pro 530 535 540 gag atg atg ggc ttt atc cag aac cgt gac gaa ggg tca gag ccc gtc 1680 Glu Met Met Gly Phe Ile Gln Asn Arg Asp Glu Gly Ser Glu Pro Val 545 550 555 560 ccc gcg cgg gtc ccg gag gaa ggg ctg gcc ccc gcc ccc ggc cac tat 1728 Pro Ala Arg Val Pro Glu Glu Gly Leu Ala Pro Ala Pro Gly His Tyr 565 570 575 gtc aag gtg cgg ctc aac ccc gtg ttt gcc tgc cca aca gag gag gac 1776 Val Lys Val Arg Leu Asn Pro Val Phe Ala Cys Pro Thr Glu Glu Asp 580 585 590 gcc gca tga 1785 Ala Ala 595 <210> 4 <211> 594 <212> PRT <213> Aeromonas caviae <400> 4 Met Ser Gln Pro Ser Tyr Gly Pro Leu Phe Glu Ala Leu Ala His Tyr 1 5 10 15 Asn Asp Lys Leu Leu Ala Met Ala Lys Ala Gln Thr Glu Arg Thr Ala 20 25 30 Gln Ala Leu Leu Gln Thr Asn Leu Asp Asp Leu Gly Gln Val Leu Glu 35 40 45 Gln Gly Ser Gln Gln Pro Trp Gln Leu Ile Gln Ala Gln Met Asn Trp 50 55 60 Trp Gln Asp Gln Leu Lys Leu Met Gln His Thr Leu Leu Lys Ser Ala 65 70 75 80 Gly Gln Pro Ser Glu Pro Val Ile Thr Pro Glu Arg Ser Asp Arg Arg 85 90 95 Phe Lys Ala Glu Ala Trp Ser Glu Gln Pro Ile Tyr Asp Tyr Leu Lys 100 105 110 Gln Ser Tyr Leu Leu Thr Ala Arg His Leu Leu Ala Ser Val Asp Ala 115 120 125 Leu Glu Gly Val Pro Gln Lys Ser Arg Glu Arg Leu Arg Phe Phe Thr 130 135 140 Arg Gln Tyr Val Asn Ala Met Ala Pro Ser Asn Phe Leu Ala Thr Asn 145 150 155 160 Pro Glu Leu Leu Lys Leu Thr Leu Glu Ser Asp Gly Gln Asn Leu Val 165 170 175 Arg Gly Leu Ala Leu Leu Ala Glu Asp Leu Glu Arg Ser Ala Asp Gln 180 185 190 Leu Asn Ile Arg Leu Thr Asp Glu Ser Ala Phe Glu Leu Gly Arg Asp 195 200 205 Leu Ala Leu Thr Pro Gly Arg Val Val Gln Arg Thr Glu Leu Tyr Glu 210 215 220 Leu Ile Gln Tyr Ser Pro Thr Thr Glu Thr Val Gly Lys Thr Pro Val 225 230 235 240 Leu Ile Val Pro Pro Phe Ile Asn Lys Tyr Tyr Ile Met Asp Met Arg 245 250 255 Pro Gln Asn Ser Leu Val Ala Trp Leu Val Ala Gln Gly Gln Thr Val 260 265 270 Phe Met Ile Ser Trp Arg Asn Pro Gly Val Ala Gln Ala Gln Ile Asp 275 280 285 Leu Asp Asp Tyr Val Val Asp Gly Val Ile Ala Ala Leu Asp Gly Val 290 295 300 Glu Ala Ala Thr Gly Glu Arg Glu Val His Gly Ile Gly Tyr Cys Ile 305 310 315 320 Gly Gly Thr Ala Leu Ser Leu Ala Met Gly Trp Leu Ala Ala Arg Arg 325 330 335 Gln Lys Gln Arg Val Arg Thr Ala Thr Leu Phe Thr Thr Leu Leu Asp 340 345 350 Phe Ser Gln Pro Gly Glu Leu Gly Ile Phe Ile His Glu Pro Ile Ile 355 360 365 Ala Ala Leu Glu Ala Gln Asn Glu Ala Lys Gly Ile Met Asp Gly Arg 370 375 380 Gln Leu Ala Val Ser Phe Ser Leu Leu Arg Glu Asn Ser Leu Tyr Trp 385 390 395 400 Asn Tyr Tyr Ile Asp Ser Tyr Leu Lys Gly Gln Ser Pro Val Ala Phe 405 410 415 Asp Leu Leu His Trp Asn Ser Asp Ser Thr Asn Val Ala Gly Lys Thr 420 425 430 His Asn Ser Leu Leu Arg Arg Leu Tyr Leu Glu Asn Gln Leu Val Lys 435 440 445 Gly Glu Leu Lys Ile Arg Asn Thr Arg Ile Asp Leu Gly Lys Val Lys 450 455 460 Thr Pro Val Leu Leu Val Ser Ala Val Asp Asp His Ile Ala Leu Trp 465 470 475 480 Gln Gly Thr Trp Gln Gly Met Lys Leu Phe Gly Gly Glu Gln Arg Phe 485 490 495 Leu Leu Ala Glu Ser Gly His Ile Ala Gly Ile Ile Asn Pro Pro Ala 500 505 510 Ala Asn Lys Tyr Gly Phe Trp His Asn Gly Ala Glu Ala Glu Ser Pro 515 520 525 Glu Ser Trp Leu Ala Gly Ala Thr His Gln Gly Gly Ser Trp Trp Pro 530 535 540 Glu Met Met Gly Phe Ile Gln Asn Arg Asp Glu Gly Ser Glu Pro Val 545 550 555 560 Pro Ala Arg Val Pro Glu Glu Gly Leu Ala Pro Ala Pro Gly His Tyr 565 570 575 Val Lys Val Arg Leu Asn Pro Val Phe Ala Cys Pro Thr Glu Glu Asp 580 585 590 Ala Ala <210> 5 <211> 1680 <212> DNA <213> Pseudomonas sp. strain 61-3 <220> <221> CDS <222> (1)..(1677) <400> 5 atg agt aac aag aat agc gat gac ttg aat cgt caa gcc tcg gaa aac 48 Met Ser Asn Lys Asn Ser Asp Asp Leu Asn Arg Gln Ala Ser Glu Asn 1 5 10 15 acc ttg ggg ctt aac cct gtc atc ggc ctg cgt gga aaa gat ctg ctg 96 Thr Leu Gly Leu Asn Pro Val Ile Gly Leu Arg Gly Lys Asp Leu Leu 20 25 30 act tct gcc cga atg gtt tta acc caa gcc atc aaa caa ccc att cac 144 Thr Ser Ala Arg Met Val Leu Thr Gln Ala Ile Lys Gln Pro Ile His 35 40 45 agc gtc aag cac gtc gcg cat ttt ggc atc gag ctg aag aac gtg atg 192 Ser Val Lys His Val Ala His Phe Gly Ile Glu Leu Lys Asn Val Met 50 55 60 ttt ggc aaa tcg aag ctg caa ccg gaa agc gat gac cgt cgt ttc aac 240 Phe Gly Lys Ser Lys Leu Gln Pro Glu Ser Asp Asp Arg Arg Phe Asn 65 70 75 80 gac ccc gcc tgg agt cag aac cca ctc tac aaa cgt tat cta caa acc 288 Asp Pro Ala Trp Ser Gln Asn Pro Leu Tyr Lys Arg Tyr Leu Gln Thr 85 90 95 tac ctg gcg tgg cgc aag gaa ctc cac gac tgg atc ggc aac agc aaa 336 Tyr Leu Ala Trp Arg Lys Glu Leu His Asp Trp Ile Gly Asn Ser Lys 100 105 110 ctg tcc gaa cag gac atc aat cgc gct cac ttc gtg atc acc ctg atg 384 Leu Ser Glu Gln Asp Ile Asn Arg Ala His Phe Val Ile Thr Leu Met 115 120 125 acc gaa gcc atg gcc ccg acc aac agt gcg gcc aat ccg gcg gcg gtc 432 Thr Glu Ala Met Ala Pro Thr Asn Ser Ala Ala Asn Pro Ala Ala Val 130 135 140 aaa cgc ttc ttc gaa acc ggc ggt aaa agc ctg ctc gac ggc ctc aca 480 Lys Arg Phe Phe Glu Thr Gly Gly Lys Ser Leu Leu Asp Gly Leu Thr 145 150 155 160 cat ctg gcc aag gac ctg gta aac aac ggc ggc atg ccg agc cag gtg 528 His Leu Ala Lys Asp Leu Val Asn Asn Gly Gly Met Pro Ser Gln Val 165 170 175 gac atg ggc gct ttc gaa gtc ggc aag agt ctg ggg acg act gaa ggt 576 Asp Met Gly Ala Phe Glu Val Gly Lys Ser Leu Gly Thr Thr Glu Gly 180 185 190 gca gtg gtt ttc cgc aac gac gtc ctc gaa ttg atc cag tac cgg ccg 624 Ala Val Val Phe Arg Asn Asp Val Leu Glu Leu Ile Gln Tyr Arg Pro 195 200 205 acc acc gaa cag gtg cat gag cga ccg ctg ctg gtg gtc cca ccg cag 672 Thr Thr Glu Gln Val His Glu Arg Pro Leu Leu Val Val Pro Pro Gln 210 215 220 atc aac aag ttt tat gtg ttt gac ctg agc ccg gat aaa agc ctg gcg 720 Ile Asn Lys Phe Tyr Val Phe Asp Leu Ser Pro Asp Lys Ser Leu Ala 225 230 235 240 cgc ttc tgc ctg agc aac aac cag caa acc ttt atc gtc agc tgg cgc 768 Arg Phe Cys Leu Ser Asn Asn Gln Gln Thr Phe Ile Val Ser Trp Arg 245 250 255 aac ccg acc aag gcc cag cgt gag tgg ggt ctg tcg act tac atc gat 816 Asn Pro Thr Lys Ala Gln Arg Glu Trp Gly Leu Ser Thr Tyr Ile Asp 260 265 270 gcg ctc aaa gaa gcc gtc gac gta gtt tcc gcc atc acc ggc agc aaa 864 Ala Leu Lys Glu Ala Val Asp Val Val Ser Ala Ile Thr Gly Ser Lys 275 280 285 gac atc aac atg ctc ggc gcc tgc tcc ggt ggc att acc tgc acc gcg 912 Asp Ile Asn Met Leu Gly Ala Cys Ser Gly Gly Ile Thr Cys Thr Ala 290 295 300 ctg ctg ggt cac tac gcc gct ctc ggc gag aag aag gtc aat gcc ctg 960 Leu Leu Gly His Tyr Ala Ala Leu Gly Glu Lys Lys Val Asn Ala Leu 305 310 315 320 acc ctt ttg gtc agc gtg ctc gac acc acc ctc gac tcc cag gtt gca 1008 Thr Leu Leu Val Ser Val Leu Asp Thr Thr Leu Asp Ser Gln Val Ala 325 330 335 ctg ttc gtc gat gag aaa acc ctg gaa gct gcc aag cgt cac tcg tat 1056 Leu Phe Val Asp Glu Lys Thr Leu Glu Ala Ala Lys Arg His Ser Tyr 340 345 350 cag gcc ggc gtg ctg gaa ggc cgc gac atg gcc aaa gtc ttc gcc tgg 1104 Gln Ala Gly Val Leu Glu Gly Arg Asp Met Ala Lys Val Phe Ala Trp 355 360 365 atg cgc cct aac gac ctg atc tgg aac tac tgg gtc aac aac tac ctg 1152 Met Arg Pro Asn Asp Leu Ile Trp Asn Tyr Trp Val Asn Asn Tyr Leu 370 375 380 ctg ggt aac gag cca ccg gtc ttc gac att ctt ttc tgg aac aac gac 1200 Leu Gly Asn Glu Pro Pro Val Phe Asp Ile Leu Phe Trp Asn Asn Asp 385 390 395 400 acc acc cgg ttg cct gct gcg ttc cac ggc gat ctg atc gaa atg ttc 1248 Thr Thr Arg Leu Pro Ala Ala Phe His Gly Asp Leu Ile Glu Met Phe 405 410 415 aaa aat aac cca ctg gtg cgc gcc aat gca ctc gaa gtg agc ggc acg 1296 Lys Asn Asn Pro Leu Val Arg Ala Asn Ala Leu Glu Val Ser Gly Thr 420 425 430 ccg atc gac ctc aaa cag gtc act gcc gac atc tac tcc ctg gcc ggc 1344 Pro Ile Asp Leu Lys Gln Val Thr Ala Asp Ile Tyr Ser Leu Ala Gly 435 440 445 acc aac gat cac atc acg ccc tgg aag tct tgc tac aag tcg gcg caa 1392 Thr Asn Asp His Ile Thr Pro Trp Lys Ser Cys Tyr Lys Ser Ala Gln 450 455 460 ctg ttc ggt ggc aag gtc gaa ttc gtg ctg tcc agc agt ggg cat atc 1440 Leu Phe Gly Gly Lys Val Glu Phe Val Leu Ser Ser Ser Gly His Ile 465 470 475 480 cag agc att ctg aac ccg ccg ggc aat ccg aaa tca cgt tac atg acc 1488 Gln Ser Ile Leu Asn Pro Pro Gly Asn Pro Lys Ser Arg Tyr Met Thr 485 490 495 agc acc gac atg cca gcc acc gcc aac gag tgg caa gaa aac tca acc 1536 Ser Thr Asp Met Pro Ala Thr Ala Asn Glu Trp Gln Glu Asn Ser Thr 500 505 510 aag cac acc gac tcc tgg tgg ctg cac tgg cag gcc tgg cag gcc gag 1584 Lys His Thr Asp Ser Trp Trp Leu His Trp Gln Ala Trp Gln Ala Glu 515 520 525 cgc tcg ggc aaa ctg aaa aag tcc ccg acc agc ctg ggc aac aag gcc 1632 Arg Ser Gly Lys Leu Lys Lys Ser Pro Thr Ser Leu Gly Asn Lys Ala 530 535 540 tat ccg tca gga gaa gcc gcg ccg ggc acg tat gtg cat gaa cgt taa 1680 Tyr Pro Ser Gly Glu Ala Ala Pro Gly Thr Tyr Val His Glu Arg 545 550 555 <210> 6 <211> 559 <212> PRT <213> Pseudomonas sp. strain 61-3 <400> 6 Met Ser Asn Lys Asn Ser Asp Asp Leu Asn Arg Gln Ala Ser Glu Asn 1 5 10 15 Thr Leu Gly Leu Asn Pro Val Ile Gly Leu Arg Gly Lys Asp Leu Leu 20 25 30 Thr Ser Ala Arg Met Val Leu Thr Gln Ala Ile Lys Gln Pro Ile His 35 40 45 Ser Val Lys His Val Ala His Phe Gly Ile Glu Leu Lys Asn Val Met 50 55 60 Phe Gly Lys Ser Lys Leu Gln Pro Glu Ser Asp Asp Arg Arg Phe Asn 65 70 75 80 Asp Pro Ala Trp Ser Gln Asn Pro Leu Tyr Lys Arg Tyr Leu Gln Thr 85 90 95 Tyr Leu Ala Trp Arg Lys Glu Leu His Asp Trp Ile Gly Asn Ser Lys 100 105 110 Leu Ser Glu Gln Asp Ile Asn Arg Ala His Phe Val Ile Thr Leu Met 115 120 125 Thr Glu Ala Met Ala Pro Thr Asn Ser Ala Ala Asn Pro Ala Ala Val 130 135 140 Lys Arg Phe Phe Glu Thr Gly Gly Lys Ser Leu Leu Asp Gly Leu Thr 145 150 155 160 His Leu Ala Lys Asp Leu Val Asn Asn Gly Gly Met Pro Ser Gln Val 165 170 175 Asp Met Gly Ala Phe Glu Val Gly Lys Ser Leu Gly Thr Thr Glu Gly 180 185 190 Ala Val Val Phe Arg Asn Asp Val Leu Glu Leu Ile Gln Tyr Arg Pro 195 200 205 Thr Thr Glu Gln Val His Glu Arg Pro Leu Leu Val Val Pro Pro Gln 210 215 220 Ile Asn Lys Phe Tyr Val Phe Asp Leu Ser Pro Asp Lys Ser Leu Ala 225 230 235 240 Arg Phe Cys Leu Ser Asn Asn Gln Gln Thr Phe Ile Val Ser Trp Arg 245 250 255 Asn Pro Thr Lys Ala Gln Arg Glu Trp Gly Leu Ser Thr Tyr Ile Asp 260 265 270 Ala Leu Lys Glu Ala Val Asp Val Val Ser Ala Ile Thr Gly Ser Lys 275 280 285 Asp Ile Asn Met Leu Gly Ala Cys Ser Gly Gly Ile Thr Cys Thr Ala 290 295 300 Leu Leu Gly His Tyr Ala Ala Leu Gly Glu Lys Lys Val Asn Ala Leu 305 310 315 320 Thr Leu Leu Val Ser Val Leu Asp Thr Thr Leu Asp Ser Gln Val Ala 325 330 335 Leu Phe Val Asp Glu Lys Thr Leu Glu Ala Ala Lys Arg His Ser Tyr 340 345 350 Gln Ala Gly Val Leu Glu Gly Arg Asp Met Ala Lys Val Phe Ala Trp 355 360 365 Met Arg Pro Asn Asp Leu Ile Trp Asn Tyr Trp Val Asn Asn Tyr Leu 370 375 380 Leu Gly Asn Glu Pro Pro Val Phe Asp Ile Leu Phe Trp Asn Asn Asp 385 390 395 400 Thr Thr Arg Leu Pro Ala Ala Phe His Gly Asp Leu Ile Glu Met Phe 405 410 415 Lys Asn Asn Pro Leu Val Arg Ala Asn Ala Leu Glu Val Ser Gly Thr 420 425 430 Pro Ile Asp Leu Lys Gln Val Thr Ala Asp Ile Tyr Ser Leu Ala Gly 435 440 445 Thr Asn Asp His Ile Thr Pro Trp Lys Ser Cys Tyr Lys Ser Ala Gln 450 455 460 Leu Phe Gly Gly Lys Val Glu Phe Val Leu Ser Ser Ser Gly His Ile 465 470 475 480 Gln Ser Ile Leu Asn Pro Pro Gly Asn Pro Lys Ser Arg Tyr Met Thr 485 490 495 Ser Thr Asp Met Pro Ala Thr Ala Asn Glu Trp Gln Glu Asn Ser Thr 500 505 510 Lys His Thr Asp Ser Trp Trp Leu His Trp Gln Ala Trp Gln Ala Glu 515 520 525 Arg Ser Gly Lys Leu Lys Lys Ser Pro Thr Ser Leu Gly Asn Lys Ala 530 535 540 Tyr Pro Ser Gly Glu Ala Ala Pro Gly Thr Tyr Val His Glu Arg 545 550 555 <210> 7 <211> 1683 <212> DNA <213> Pseudomonas sp. strain 61-3 <220> <221> CDS <222> (1)..(1680) <400> 7 atg aga gag aaa cca acg ccg ggc ttg ctg ccc aca ccc gcg acg ttc 48 Met Arg Glu Lys Pro Thr Pro Gly Leu Leu Pro Thr Pro Ala Thr Phe 1 5 10 15 atc aac gct cag agt gcg att acc ggt ctg cgc ggc cgg gat ctg ttc 96 Ile Asn Ala Gln Ser Ala Ile Thr Gly Leu Arg Gly Arg Asp Leu Phe 20 25 30 tcg acc ctg cgc agc gtg gcc gcc cac ggc ctg cgt cac ccg gtg cgc 144 Ser Thr Leu Arg Ser Val Ala Ala His Gly Leu Arg His Pro Val Arg 35 40 45 agc gcc cgt cat gtt ctg gca ctg ggc ggc cag ttg ggc cgc gtg ctg 192 Ser Ala Arg His Val Leu Ala Leu Gly Gly Gln Leu Gly Arg Val Leu 50 55 60 ctg ggc gaa acg ctg cac acg ccg aac ccg aaa gac aat cgc ttt gcg 240 Leu Gly Glu Thr Leu His Thr Pro Asn Pro Lys Asp Asn Arg Phe Ala 65 70 75 80 gac ccg acc tgg aga ctg aat ccg ttt tac cgg cgc agc ctg cag gcc 288 Asp Pro Thr Trp Arg Leu Asn Pro Phe Tyr Arg Arg Ser Leu Gln Ala 85 90 95 tat ctg agc tgg cag aaa cag gtc aaa agc tgg atc gat gaa agc ggc 336 Tyr Leu Ser Trp Gln Lys Gln Val Lys Ser Trp Ile Asp Glu Ser Gly 100 105 110 atg agt gac gat gac cgc gcc cgc gcg cat ttc gtc ttc gca ctg ctc 384 Met Ser Asp Asp Asp Arg Ala Arg Ala His Phe Val Phe Ala Leu Leu 115 120 125 aat gac gcc gtg tcc ccc tcc aat acc ctg ctc aac ccg cta gcg atc 432 Asn Asp Ala Val Ser Pro Ser Asn Thr Leu Leu Asn Pro Leu Ala Ile 130 135 140 aag gag ctg ttc aac tcc ggt ggc aac agc ctg gtc cgc ggt ctc agc 480 Lys Glu Leu Phe Asn Ser Gly Gly Asn Ser Leu Val Arg Gly Leu Ser 145 150 155 160 cat tta ttc gac gac ctg atg cac aac aac ggg ctg ccc agt cag gtc 528 His Leu Phe Asp Asp Leu Met His Asn Asn Gly Leu Pro Ser Gln Val 165 170 175 acc aaa cac gcc ttc gag att ggc aag acc gtg gca acc acc gcc ggg 576 Thr Lys His Ala Phe Glu Ile Gly Lys Thr Val Ala Thr Thr Ala Gly 180 185 190 tcc gtg gtg ttt cgc aac gag ctg ctc gag ctg atg cag tac aag ccg 624 Ser Val Val Phe Arg Asn Glu Leu Leu Glu Leu Met Gln Tyr Lys Pro 195 200 205 atg agc gaa aaa cag tac gcc aag ccg ttg ctg atc gtc ccg ccg cag 672 Met Ser Glu Lys Gln Tyr Ala Lys Pro Leu Leu Ile Val Pro Pro Gln 210 215 220 att aac aag tac tac att ttc gac ctc agc ccg ggt aac agc ttc gtc 720 Ile Asn Lys Tyr Tyr Ile Phe Asp Leu Ser Pro Gly Asn Ser Phe Val 225 230 235 240 cag tac gca ttg aag aat ggt ctg cag gtg ttc gtg gtc agc tgg cgt 768 Gln Tyr Ala Leu Lys Asn Gly Leu Gln Val Phe Val Val Ser Trp Arg 245 250 255 aac ccg gat gtt cgc cac cgc gaa tgg ggc ctg tcc agt tac gtt gag 816 Asn Pro Asp Val Arg His Arg Glu Trp Gly Leu Ser Ser Tyr Val Glu 260 265 270 gca ctg gaa gaa gca ctg aat gtt tgc cgc gct atc acc ggc gcg cgc 864 Ala Leu Glu Glu Ala Leu Asn Val Cys Arg Ala Ile Thr Gly Ala Arg 275 280 285 gac gtc aat ctg atg ggc gcc tgt gct ggc ggc ctg acc atc gcg gct 912 Asp Val Asn Leu Met Gly Ala Cys Ala Gly Gly Leu Thr Ile Ala Ala 290 295 300 ctg caa ggt cat ctg caa gcc aag cgg caa ctg cgg cgg gtc tcc agc 960 Leu Gln Gly His Leu Gln Ala Lys Arg Gln Leu Arg Arg Val Ser Ser 305 310 315 320 gcc agc tac ctg gtc agc ctg ctg gat agc cag ata gac agc ccg gcg 1008 Ala Ser Tyr Leu Val Ser Leu Leu Asp Ser Gln Ile Asp Ser Pro Ala 325 330 335 acg ttg ttc gcc gat gag cag acg ctg gaa gcc gcc aag cgc cat tcc 1056 Thr Leu Phe Ala Asp Glu Gln Thr Leu Glu Ala Ala Lys Arg His Ser 340 345 350 tat caa cga ggt gtg ctc gag ggg cgc gac atg gcg aaa atc ttc gcc 1104 Tyr Gln Arg Gly Val Leu Glu Gly Arg Asp Met Ala Lys Ile Phe Ala 355 360 365 tgg atg cgc ccc aat gac ctg atc tgg aac tac tgg gtc aac aac tac 1152 Trp Met Arg Pro Asn Asp Leu Ile Trp Asn Tyr Trp Val Asn Asn Tyr 370 375 380 ctg ctg ggc aaa gaa ccg ccg gcc ttc gac att ctg tat tgg aac agt 1200 Leu Leu Gly Lys Glu Pro Pro Ala Phe Asp Ile Leu Tyr Trp Asn Ser 385 390 395 400 gac aac acg cgc ctg cca gcg gca ttc cat ggc gac ctg ctg gac ttc 1248 Asp Asn Thr Arg Leu Pro Ala Ala Phe His Gly Asp Leu Leu Asp Phe 405 410 415 ttc aag cac aat ccg ctg act cac ccc ggc ggg ctg gag gtc tgt ggc 1296 Phe Lys His Asn Pro Leu Thr His Pro Gly Gly Leu Glu Val Cys Gly 420 425 430 acg cct atc gat ttg cag aag gtc aac gta gac agc ttc agc gtg gcc 1344 Thr Pro Ile Asp Leu Gln Lys Val Asn Val Asp Ser Phe Ser Val Ala 435 440 445 ggc atc aac gac cac atc act ccg tgg gac gcg gtg tac cgc tcg acc 1392 Gly Ile Asn Asp His Ile Thr Pro Trp Asp Ala Val Tyr Arg Ser Thr 450 455 460 ctg ctg ctg ggt ggc gac cgg cgc ttc gta ctg tcc aac agc ggg cat 1440 Leu Leu Leu Gly Gly Asp Arg Arg Phe Val Leu Ser Asn Ser Gly His 465 470 475 480 atc cag agc atc ctc aac ccg ccg agc aac ccc aag tcc aac tac atc 1488 Ile Gln Ser Ile Leu Asn Pro Pro Ser Asn Pro Lys Ser Asn Tyr Ile 485 490 495 gag aac ccc aag ctc agt ggc gat cca cgc gcc tgg tat tac gac ggc 1536 Glu Asn Pro Lys Leu Ser Gly Asp Pro Arg Ala Trp Tyr Tyr Asp Gly 500 505 510 acc cat gtc gaa ggt agc tgg tgg cca cgt tgg ctg agc tgg att cag 1584 Thr His Val Glu Gly Ser Trp Trp Pro Arg Trp Leu Ser Trp Ile Gln 515 520 525 gag cgc tcc ggt acc caa cgc gaa acc ctg atg gcc ctt ggt aac cag 1632 Glu Arg Ser Gly Thr Gln Arg Glu Thr Leu Met Ala Leu Gly Asn Gln 530 535 540 aac tat cca ccg atg gag gcg gcg cca ggt acc tac gtg cgc gtg cgc 1680 Asn Tyr Pro Pro Met Glu Ala Ala Pro Gly Thr Tyr Val Arg Val Arg 545 550 555 560 tga 1683 <210> 8 <211> 560 <212> PRT <213> Pseudomonas sp. strain 61-3 <400> 8 Met Arg Glu Lys Pro Thr Pro Gly Leu Leu Pro Thr Pro Ala Thr Phe 1 5 10 15 Ile Asn Ala Gln Ser Ala Ile Thr Gly Leu Arg Gly Arg Asp Leu Phe 20 25 30 Ser Thr Leu Arg Ser Val Ala Ala His Gly Leu Arg His Pro Val Arg 35 40 45 Ser Ala Arg His Val Leu Ala Leu Gly Gly Gln Leu Gly Arg Val Leu 50 55 60 Leu Gly Glu Thr Leu His Thr Pro Asn Pro Lys Asp Asn Arg Phe Ala 65 70 75 80 Asp Pro Thr Trp Arg Leu Asn Pro Phe Tyr Arg Arg Ser Leu Gln Ala 85 90 95 Tyr Leu Ser Trp Gln Lys Gln Val Lys Ser Trp Ile Asp Glu Ser Gly 100 105 110 Met Ser Asp Asp Asp Arg Ala Arg Ala His Phe Val Phe Ala Leu Leu 115 120 125 Asn Asp Ala Val Ser Pro Ser Asn Thr Leu Leu Asn Pro Leu Ala Ile 130 135 140 Lys Glu Leu Phe Asn Ser Gly Gly Asn Ser Leu Val Arg Gly Leu Ser 145 150 155 160 His Leu Phe Asp Asp Leu Met His Asn Asn Gly Leu Pro Ser Gln Val 165 170 175 Thr Lys His Ala Phe Glu Ile Gly Lys Thr Val Ala Thr Thr Ala Gly 180 185 190 Ser Val Val Phe Arg Asn Glu Leu Leu Glu Leu Met Gln Tyr Lys Pro 195 200 205 Met Ser Glu Lys Gln Tyr Ala Lys Pro Leu Leu Ile Val Pro Pro Gln 210 215 220 Ile Asn Lys Tyr Tyr Ile Phe Asp Leu Ser Pro Gly Asn Ser Phe Val 225 230 235 240 Gln Tyr Ala Leu Lys Asn Gly Leu Gln Val Phe Val Val Ser Trp Arg 245 250 255 Asn Pro Asp Val Arg His Arg Glu Trp Gly Leu Ser Ser Tyr Val Glu 260 265 270 Ala Leu Glu Glu Ala Leu Asn Val Cys Arg Ala Ile Thr Gly Ala Arg 275 280 285 Asp Val Asn Leu Met Gly Ala Cys Ala Gly Gly Leu Thr Ile Ala Ala 290 295 300 Leu Gln Gly His Leu Gln Ala Lys Arg Gln Leu Arg Arg Val Ser Ser 305 310 315 320 Ala Ser Tyr Leu Val Ser Leu Leu Asp Ser Gln Ile Asp Ser Pro Ala 325 330 335 Thr Leu Phe Ala Asp Glu Gln Thr Leu Glu Ala Ala Lys Arg His Ser 340 345 350 Tyr Gln Arg Gly Val Leu Glu Gly Arg Asp Met Ala Lys Ile Phe Ala 355 360 365 Trp Met Arg Pro Asn Asp Leu Ile Trp Asn Tyr Trp Val Asn Asn Tyr 370 375 380 Leu Leu Gly Lys Glu Pro Pro Ala Phe Asp Ile Leu Tyr Trp Asn Ser 385 390 395 400 Asp Asn Thr Arg Leu Pro Ala Ala Phe His Gly Asp Leu Leu Asp Phe 405 410 415 Phe Lys His Asn Pro Leu Thr His Pro Gly Gly Leu Glu Val Cys Gly 420 425 430 Thr Pro Ile Asp Leu Gln Lys Val Asn Val Asp Ser Phe Ser Val Ala 435 440 445 Gly Ile Asn Asp His Ile Thr Pro Trp Asp Ala Val Tyr Arg Ser Thr 450 455 460 Leu Leu Leu Gly Gly Asp Arg Arg Phe Val Leu Ser Asn Ser Gly His 465 470 475 480 Ile Gln Ser Ile Leu Asn Pro Pro Ser Asn Pro Lys Ser Asn Tyr Ile 485 490 495 Glu Asn Pro Lys Leu Ser Gly Asp Pro Arg Ala Trp Tyr Tyr Asp Gly 500 505 510 Thr His Val Glu Gly Ser Trp Trp Pro Arg Trp Leu Ser Trp Ile Gln 515 520 525 Glu Arg Ser Gly Thr Gln Arg Glu Thr Leu Met Ala Leu Gly Asn Gln 530 535 540 Asn Tyr Pro Pro Met Glu Ala Ala Pro Gly Thr Tyr Val Arg Val Arg 545 550 555 560 <210> 9 <211> 1179 <212> DNA <213> Ralstonia eutropha <220> <221> CDS <222> (1)..(1179) <400> 9 atg act gac gtt gtc atc gta tcc gcc gcc cgc acc gcg gtc ggc aag 48 Met Thr Asp Val Val Ile Val Ser Ala Ala Arg Thr Ala Val Gly Lys 1 5 10 15 ttt ggc ggc tcg ctg gcc aag atc ccg gca ccg gaa ctg ggt gcc gtg 96 Phe Gly Gly Ser Leu Ala Lys Ile Pro Ala Pro Glu Leu Gly Ala Val 20 25 30 gtc atc aag gcc gcg ctg gag cgc gcc ggc gtc aag ccg gag cag gtg 144 Val Ile Lys Ala Ala Leu Glu Arg Ala Gly Val Lys Pro Glu Gln Val 35 40 45 agc gaa gtc atc atg ggc cag gtg ctg acc gcc ggt tcg ggc cag aac 192 Ser Glu Val Ile Met Gly Gln Val Leu Thr Ala Gly Ser Gly Gln Asn 50 55 60 ccc gca cgc cag gcc gcg atc aag gcc ggc ctg ccg gcg atg gtg ccg 240 Pro Ala Arg Gln Ala Ala Ile Lys Ala Gly Leu Pro Ala Met Val Pro 65 70 75 80 gcc atg acc atc aac aag gtg tgc ggc tcg ggc ctg aag gcc gtg atg 288 Ala Met Thr Ile Asn Lys Val Cys Gly Ser Gly Leu Lys Ala Val Met 85 90 95 ctg gcc gcc aac gcg atc atg gcg ggc gac gcc gag atc gtg gtg gcc 336 Leu Ala Ala Asn Ala Ile Met Ala Gly Asp Ala Glu Ile Val Val Ala 100 105 110 ggc ggc cag gaa aac atg agc gcc gcc ccg cac gtg ctg ccg ggc tcg 384 Gly Gly Gln Glu Asn Met Ser Ala Ala Pro His Val Leu Pro Gly Ser 115 120 125 cgc gat ggt ttc cgc atg ggc gat gcc aag ctg gtc gac acc atg atc 432 Arg Asp Gly Phe Arg Met Gly Asp Ala Lys Leu Val Asp Thr Met Ile 130 135 140 gtc gac ggc ctg tgg gac gtg tac aac cag tac cac atg ggc atc acc 480 Val Asp Gly Leu Trp Asp Val Tyr Asn Gln Tyr His Met Gly Ile Thr 145 150 155 160 gcc gag aac gtg gcc aag gaa tac ggc atc aca cgc gag gcg cag gat 528 Ala Glu Asn Val Ala Lys Glu Tyr Gly Ile Thr Arg Glu Ala Gln Asp 165 170 175 gag ttc gcc gtc ggc tcg cag aac aag gcc gaa gcc gcg cag aag gcc 576 Glu Phe Ala Val Gly Ser Gln Asn Lys Ala Glu Ala Ala Gln Lys Ala 180 185 190 ggc aag ttt gac gaa gag atc gtc ccg gtg ctg atc ccg cag cgc aag 624 Gly Lys Phe Asp Glu Glu Ile Val Pro Val Leu Ile Pro Gln Arg Lys 195 200 205 ggc gac ccg gtg gcc ttc aag acc gac gag ttc gtg cgc cag ggc gcc 672 Gly Asp Pro Val Ala Phe Lys Thr Asp Glu Phe Val Arg Gln Gly Ala 210 215 220 acg ctg gac agc atg tcc ggc ctc aag ccc gcc ttc gac aag gcc ggc 720 Thr Leu Asp Ser Met Ser Gly Leu Lys Pro Ala Phe Asp Lys Ala Gly 225 230 235 240 acg gtg acc gcg gcc aac gcc tcg ggc ctg aac gac ggc gcc gcc gcg 768 Thr Val Thr Ala Ala Asn Ala Ser Gly Leu Asn Asp Gly Ala Ala Ala 245 250 255 gtg gtg gtg atg tcg gcg gcc aag gcc aag gaa ctg ggc ctg acc ccg 816 Val Val Val Met Ser Ala Ala Lys Ala Lys Glu Leu Gly Leu Thr Pro 260 265 270 ctg gcc acg atc aag agc tat gcc aac gcc ggt gtc gat ccc aag gtg 864 Leu Ala Thr Ile Lys Ser Tyr Ala Asn Ala Gly Val Asp Pro Lys Val 275 280 285 atg ggc atg ggc ccg gtg ccg gcc tcc aag cgc gcc ctg tcg cgc gcc 912 Met Gly Met Gly Pro Val Pro Ala Ser Lys Arg Ala Leu Ser Arg Ala 290 295 300 gag tgg acc ccg caa gac ctg gac ctg atg gag atc aac gag gcc ttt 960 Glu Trp Thr Pro Gln Asp Leu Asp Leu Met Glu Ile Asn Glu Ala Phe 305 310 315 320 gcc gcg cag gcg ctg gcg gtg cac cag cag atg ggc tgg gac acc tcc 1008 Ala Ala Gln Ala Leu Ala Val His Gln Gln Met Gly Trp Asp Thr Ser 325 330 335 aag gtc aat gtg aac ggc ggc gcc atc gcc atc ggc cac ccg atc ggc 1056 Lys Val Asn Val Asn Gly Gly Ala Ile Ala Ile Gly His Pro Ile Gly 340 345 350 gcg tcg ggc tgc cgt atc ctg gtg acg ctg ctg cac gag atg aag cgc 1104 Ala Ser Gly Cys Arg Ile Leu Val Thr Leu Leu His Glu Met Lys Arg 355 360 365 cgt gac gcg aag aag ggc ctg gcc tcg ctg tgc atc ggc ggc ggc atg 1152 Arg Asp Ala Lys Lys Gly Leu Ala Ser Leu Cys Ile Gly Gly Gly Met 370 375 380 ggc gtg gcg ctg gca gtc gag cgc aaa 1179 Gly Val Ala Leu Ala Val Glu Arg Lys 385 390 <210> 10 <211> 393 <212> PRT <213> Ralstonia eutropha <400> 10 Met Thr Asp Val Val Ile Val Ser Ala Ala Arg Thr Ala Val Gly Lys 1 5 10 15 Phe Gly Gly Ser Leu Ala Lys Ile Pro Ala Pro Glu Leu Gly Ala Val 20 25 30 Val Ile Lys Ala Ala Leu Glu Arg Ala Gly Val Lys Pro Glu Gln Val 35 40 45 Ser Glu Val Ile Met Gly Gln Val Leu Thr Ala Gly Ser Gly Gln Asn 50 55 60 Pro Ala Arg Gln Ala Ala Ile Lys Ala Gly Leu Pro Ala Met Val Pro 65 70 75 80 Ala Met Thr Ile Asn Lys Val Cys Gly Ser Gly Leu Lys Ala Val Met 85 90 95 Leu Ala Ala Asn Ala Ile Met Ala Gly Asp Ala Glu Ile Val Val Ala 100 105 110 Gly Gly Gln Glu Asn Met Ser Ala Ala Pro His Val Leu Pro Gly Ser 115 120 125 Arg Asp Gly Phe Arg Met Gly Asp Ala Lys Leu Val Asp Thr Met Ile 130 135 140 Val Asp Gly Leu Trp Asp Val Tyr Asn Gln Tyr His Met Gly Ile Thr 145 150 155 160 Ala Glu Asn Val Ala Lys Glu Tyr Gly Ile Thr Arg Glu Ala Gln Asp 165 170 175 Glu Phe Ala Val Gly Ser Gln Asn Lys Ala Glu Ala Ala Gln Lys Ala 180 185 190 Gly Lys Phe Asp Glu Glu Ile Val Pro Val Leu Ile Pro Gln Arg Lys 195 200 205 Gly Asp Pro Val Ala Phe Lys Thr Asp Glu Phe Val Arg Gln Gly Ala 210 215 220 Thr Leu Asp Ser Met Ser Gly Leu Lys Pro Ala Phe Asp Lys Ala Gly 225 230 235 240 Thr Val Thr Ala Ala Asn Ala Ser Gly Leu Asn Asp Gly Ala Ala Ala 245 250 255 Val Val Val Met Ser Ala Ala Lys Ala Lys Glu Leu Gly Leu Thr Pro 260 265 270 Leu Ala Thr Ile Lys Ser Tyr Ala Asn Ala Gly Val Asp Pro Lys Val 275 280 285 Met Gly Met Gly Pro Val Pro Ala Ser Lys Arg Ala Leu Ser Arg Ala 290 295 300 Glu Trp Thr Pro Gln Asp Leu Asp Leu Met Glu Ile Asn Glu Ala Phe 305 310 315 320 Ala Ala Gln Ala Leu Ala Val His Gln Gln Met Gly Trp Asp Thr Ser 325 330 335 Lys Val Asn Val Asn Gly Gly Ala Ile Ala Ile Gly His Pro Ile Gly 340 345 350 Ala Ser Gly Cys Arg Ile Leu Val Thr Leu Leu His Glu Met Lys Arg 355 360 365 Arg Asp Ala Lys Lys Gly Leu Ala Ser Leu Cys Ile Gly Gly Gly Met 370 375 380 Gly Val Ala Leu Ala Val Glu Arg Lys 385 390 <210> 11 <211> 738 <212> DNA <213> Ralstonia eutropha <220> <221> CDS <222> (1)..(738) <400> 11 atg act cag cgc att gcg tat gtg acc ggc ggc atg ggt ggt atc gga 48 Met Thr Gln Arg Ile Ala Tyr Val Thr Gly Gly Met Gly Gly Ile Gly 1 5 10 15 acc gcc att tgc cag cgg ctg gcc aag gat ggc ttt cgt gtg gtg gcc 96 Thr Ala Ile Cys Gln Arg Leu Ala Lys Asp Gly Phe Arg Val Val Ala 20 25 30 ggt tgc ggc ccc aac tcg ccg cgc cgc gaa aag tgg ctg gag cag cag 144 Gly Cys Gly Pro Asn Ser Pro Arg Arg Glu Lys Trp Leu Glu Gln Gln 35 40 45 aag gcc ctg ggc ttc gat ttc att gcc tcg gaa ggc aat gtg gct gac 192 Lys Ala Leu Gly Phe Asp Phe Ile Ala Ser Glu Gly Asn Val Ala Asp 50 55 60 tgg gac tcg acc aag acc gca ttc gac aag gtc aag tcc gag gtc ggc 240 Trp Asp Ser Thr Lys Thr Ala Phe Asp Lys Val Lys Ser Glu Val Gly 65 70 75 80 gag gtt gat gtg ctg atc aac aac gcc ggt atc acc cgc gac gtg gtg 288 Glu Val Asp Val Leu Ile Asn Asn Ala Gly Ile Thr Arg Asp Val Val 85 90 95 ttc cgc aag atg acc cgc gcc gac tgg gat gcg gtg atc gac acc aac 336 Phe Arg Lys Met Thr Arg Ala Asp Trp Asp Ala Val Ile Asp Thr Asn 100 105 110 ctg acc tcg ctg ttc aac gtc acc aag cag gtg atc gac ggc atg gcc 384 Leu Thr Ser Leu Phe Asn Val Thr Lys Gln Val Ile Asp Gly Met Ala 115 120 125 gac cgt ggc tgg ggc cgc atc gtc aac atc tcg tcg gtg aac ggg cag 432 Asp Arg Gly Trp Gly Arg Ile Val Asn Ile Ser Ser Val Asn Gly Gln 130 135 140 aag ggc cag ttc ggc cag acc aac tac tcc acc gcc aag gcc ggc ctg 480 Lys Gly Gln Phe Gly Gln Thr Asn Tyr Ser Thr Ala Lys Ala Gly Leu 145 150 155 160 cat ggc ttc acc atg gca ctg gcg cag gaa gtg gcg acc aag ggc gtg 528 His Gly Phe Thr Met Ala Leu Ala Gln Glu Val Ala Thr Lys Gly Val 165 170 175 acc gtc aac acg gtc tct ccg ggc tat atc gcc acc gac atg gtc aag 576 Thr Val Asn Thr Val Ser Pro Gly Tyr Ile Ala Thr Asp Met Val Lys 180 185 190 gcg atc cgc cag gac gtg ctc gac aag atc gtc gcg acg atc ccg gtc 624 Ala Ile Arg Gln Asp Val Leu Asp Lys Ile Val Ala Thr Ile Pro Val 195 200 205 aag cgc ctg ggc ctg ccg gaa gag atc gcc tcg atc tgc gcc tgg ttg 672 Lys Arg Leu Gly Leu Pro Glu Glu Ile Ala Ser Ile Cys Ala Trp Leu 210 215 220 tcg tcg gag gag tcc ggt ttc tcg acc ggc gcc gac ttc tcg ctc aac 720 Ser Ser Glu Glu Ser Gly Phe Ser Thr Gly Ala Asp Phe Ser Leu Asn 225 230 235 240 ggc ggc ctg cat atg ggc 738 Gly Gly Leu His Met Gly 245 <210> 12 <211> 246 <212> PRT <213> Ralstonia eutropha <400> 12 Met Thr Gln Arg Ile Ala Tyr Val Thr Gly Gly Met Gly Gly Ile Gly 1 5 10 15 Thr Ala Ile Cys Gln Arg Leu Ala Lys Asp Gly Phe Arg Val Val Ala 20 25 30 Gly Cys Gly Pro Asn Ser Pro Arg Arg Glu Lys Trp Leu Glu Gln Gln 35 40 45 Lys Ala Leu Gly Phe Asp Phe Ile Ala Ser Glu Gly Asn Val Ala Asp 50 55 60 Trp Asp Ser Thr Lys Thr Ala Phe Asp Lys Val Lys Ser Glu Val Gly 65 70 75 80 Glu Val Asp Val Leu Ile Asn Asn Ala Gly Ile Thr Arg Asp Val Val 85 90 95 Phe Arg Lys Met Thr Arg Ala Asp Trp Asp Ala Val Ile Asp Thr Asn 100 105 110 Leu Thr Ser Leu Phe Asn Val Thr Lys Gln Val Ile Asp Gly Met Ala 115 120 125 Asp Arg Gly Trp Gly Arg Ile Val Asn Ile Ser Ser Val Asn Gly Gln 130 135 140 Lys Gly Gln Phe Gly Gln Thr Asn Tyr Ser Thr Ala Lys Ala Gly Leu 145 150 155 160 His Gly Phe Thr Met Ala Leu Ala Gln Glu Val Ala Thr Lys Gly Val 165 170 175 Thr Val Asn Thr Val Ser Pro Gly Tyr Ile Ala Thr Asp Met Val Lys 180 185 190 Ala Ile Arg Gln Asp Val Leu Asp Lys Ile Val Ala Thr Ile Pro Val 195 200 205 Lys Arg Leu Gly Leu Pro Glu Glu Ile Ala Ser Ile Cys Ala Trp Leu 210 215 220 Ser Ser Glu Glu Ser Gly Phe Ser Thr Gly Ala Asp Phe Ser Leu Asn 225 230 235 240 Gly Gly Leu His Met Gly 245 <210> 13 <211> 405 <212> DNA <213> Aeromonas caviae <220> <221> CDS <222> (1)..(405) <400> 13 atg agc gca caa tcc ctg gaa gta ggc cag aag gcc cgt ctc agc aag 48 Met Ser Ala Gln Ser Leu Glu Val Gly Gln Lys Ala Arg Leu Ser Lys 1 5 10 15 cgg ttc ggg gcg gcg gag gta gcc gcc ttc gcc gcg ctc tcg gag gac 96 Arg Phe Gly Ala Ala Glu Val Ala Ala Phe Ala Ala Leu Ser Glu Asp 20 25 30 ttc aac ccc ctg cac ctg gac ccg gcc ttc gcc gcc acc acg gcg ttc 144 Phe Asn Pro Leu His Leu Asp Pro Ala Phe Ala Ala Thr Thr Ala Phe 35 40 45 gag cgg ccc ata gtc cac ggc atg ctg ctc gcc agc ctc ttc tcc ggg 192 Glu Arg Pro Ile Val His Gly Met Leu Leu Ala Ser Leu Phe Ser Gly 50 55 60 ctg ctg ggc cag cag ttg ccg ggc aag ggg agc atc tat ctg ggt caa 240 Leu Leu Gly Gln Gln Leu Pro Gly Lys Gly Ser Ile Tyr Leu Gly Gln 65 70 75 80 agc ctc agc ttc aag ctg ccg gtc ttt gtc ggg gac gag gtg acg gcc 288 Ser Leu Ser Phe Lys Leu Pro Val Phe Val Gly Asp Glu Val Thr Ala 85 90 95 gag gtg gag gtg acc gcc ctt cgc gag gac aag ccc atc gcc acc ctg 336 Glu Val Glu Val Thr Ala Leu Arg Glu Asp Lys Pro Ile Ala Thr Leu 100 105 110 acc acc cgc atc ttc acc caa ggc ggc gcc ctc gcc gtg acg ggg gaa 384 Thr Thr Arg Ile Phe Thr Gln Gly Gly Ala Leu Ala Val Thr Gly Glu 115 120 125 gcc gtg gtc aag ctg cct taa 405 Ala Val Val Lys Leu Pro 130 135 <210> 14 <211> 134 <212> PRT <213> Aeromonas caviae <400> 14 Met Ser Ala Gln Ser Leu Glu Val Gly Gln Lys Ala Arg Leu Ser Lys 1 5 10 15 Arg Phe Gly Ala Ala Glu Val Ala Ala Phe Ala Ala Leu Ser Glu Asp 20 25 30 Phe Asn Pro Leu His Leu Asp Pro Ala Phe Ala Ala Thr Thr Ala Phe 35 40 45 Glu Arg Pro Ile Val His Gly Met Leu Leu Ala Ser Leu Phe Ser Gly 50 55 60 Leu Leu Gly Gln Gln Leu Pro Gly Lys Gly Ser Ile Tyr Leu Gly Gln 65 70 75 80 Ser Leu Ser Phe Lys Leu Pro Val Phe Val Gly Asp Glu Val Thr Ala 85 90 95 Glu Val Glu Val Thr Ala Leu Arg Glu Asp Lys Pro Ile Ala Thr Leu 100 105 110 Thr Thr Arg Ile Phe Thr Gln Gly Gly Ala Leu Ala Val Thr Gly Glu 115 120 125 Ala Val Val Lys Leu Pro 130 <210> 15 <211> 735 <212> DNA <213> Escherichia coli <220> <221> CDS <222> (1)..(735) <400> 15 atg aat ttt gaa gga aaa atc gca ctg gta acc ggt gca agc cgc gga 48 Met Asn Phe Glu Gly Lys Ile Ala Leu Val Thr Gly Ala Ser Arg Gly 1 5 10 15 att ggc cgc gca att gct gaa acg ctc gca gcc cgt ggc ggg aaa gtt 96 Ile Gly Arg Ala Ile Ala Glu Thr Leu Ala Ala Arg Gly Gly Lys Val 20 25 30 att ggc act gcg acc agt gaa aat ggc gct cag gcg atc agt gat tat 144 Ile Gly Thr Ala Thr Ser Glu Asn Gly Ala Gln Ala Ile Ser Asp Tyr 35 40 45 tta ggt gcc aac ggc aaa ggt ctg atg ttg aat gtg acc gac ccg gca 192 Leu Gly Ala Asn Gly Lys Gly Leu Met Leu Asn Val Thr Asp Pro Ala 50 55 60 tct atc gaa tct gtt ctg gaa aaa att cgc gca gaa ttt ggt gaa gtg 240 Ser Ile Glu Ser Val Leu Glu Lys Ile Arg Ala Glu Phe Gly Glu Val 65 70 75 80 gat atc ctg gtc aat aat gcc ggt atc act cgt gat aac ctg tta atg 288 Asp Ile Leu Val Asn Asn Ala Gly Ile Thr Arg Asp Asn Leu Leu Met 85 90 95 cga atg aaa gat gaa gag tgg aac gat att atc gaa acc aac ctt tca 336 Arg Met Lys Asp Glu Glu Trp Asn Asp Ile Ile Glu Thr Asn Leu Ser 100 105 110 tct gtt ttc cgt ctg tca aaa gcg gta atg cgc gct atg atg aaa aag 384 Ser Val Phe Arg Leu Ser Lys Ala Val Met Arg Ala Met Met Lys Lys 115 120 125 cgt cat ggt cgt att atc act atc ggt tct gtg gtt ggt acc atg gga 432 Arg His Gly Arg Ile Ile Thr Ile Gly Ser Val Val Gly Thr Met Gly 130 135 140 aat ggc ggt cag gcc aac tac gct gcg gcg aaa gcg ggc ttg atc ggc 480 Asn Gly Gly Gln Ala Asn Tyr Ala Ala Ala Lys Ala Gly Leu Ile Gly 145 150 155 160 ttc agt aaa tca ctg gcg cgc gaa gtt gcg tca cgc ggt att act gta 528 Phe Ser Lys Ser Leu Ala Arg Glu Val Ala Ser Arg Gly Ile Thr Val 165 170 175 aac gtt gtt gct ccg ggc ttt att gaa acg gac atg aca cgt gcg ctg 576 Asn Val Val Ala Pro Gly Phe Ile Glu Thr Asp Met Thr Arg Ala Leu 180 185 190 agc gat gac cag cgt gcg ggt atc ctg gcg cag gtt cct gcg ggt cgc 624 Ser Asp Asp Gln Arg Ala Gly Ile Leu Ala Gln Val Pro Ala Gly Arg 195 200 205 ctc ggc ggc gca cag gaa atc gcc aac gcg gtt gca ttc ctg gca tcc 672 Leu Gly Gly Ala Gln Glu Ile Ala Asn Ala Val Ala Phe Leu Ala Ser 210 215 220 gac gaa gca gct tac atc acg ggt gaa act ttg cat gtg aac ggc ggg 720 Asp Glu Ala Ala Tyr Ile Thr Gly Glu Thr Leu His Val Asn Gly Gly 225 230 235 240 atg tac atg gtc tga 735 Met Tyr Met Val 245 <210> 16 <211> 244 <212> PRT <213> Escherichia coli <400> 16 Met Asn Phe Glu Gly Lys Ile Ala Leu Val Thr Gly Ala Ser Arg Gly 1 5 10 15 Ile Gly Arg Ala Ile Ala Glu Thr Leu Ala Ala Arg Gly Gly Lys Val 20 25 30 Ile Gly Thr Ala Thr Ser Glu Asn Gly Ala Gln Ala Ile Ser Asp Tyr 35 40 45 Leu Gly Ala Asn Gly Lys Gly Leu Met Leu Asn Val Thr Asp Pro Ala 50 55 60 Ser Ile Glu Ser Val Leu Glu Lys Ile Arg Ala Glu Phe Gly Glu Val 65 70 75 80 Asp Ile Leu Val Asn Asn Ala Gly Ile Thr Arg Asp Asn Leu Leu Met 85 90 95 Arg Met Lys Asp Glu Glu Trp Asn Asp Ile Ile Glu Thr Asn Leu Ser 100 105 110 Ser Val Phe Arg Leu Ser Lys Ala Val Met Arg Ala Met Met Lys Lys 115 120 125 Arg His Gly Arg Ile Ile Thr Ile Gly Ser Val Val Gly Thr Met Gly 130 135 140 Asn Gly Gly Gln Ala Asn Tyr Ala Ala Ala Lys Ala Gly Leu Ile Gly 145 150 155 160 Phe Ser Lys Ser Leu Ala Arg Glu Val Ala Ser Arg Gly Ile Thr Val 165 170 175 Asn Val Val Ala Pro Gly Phe Ile Glu Thr Asp Met Thr Arg Ala Leu 180 185 190 Ser Asp Asp Gln Arg Ala Gly Ile Leu Ala Gln Val Pro Ala Gly Arg 195 200 205 Leu Gly Gly Ala Gln Glu Ile Ala Asn Ala Val Ala Phe Leu Ala Ser 210 215 220 Asp Glu Ala Ala Tyr Ile Thr Gly Glu Thr Leu His Val Asn Gly Gly 225 230 235 240 Met Tyr Met Val <210> 17 <211> 888 <212> DNA <213> Pseudomonas putida <220> <221> CDS <222> (1)..(888) <400> 17 atg agg cca gaa atc gct gta ctt gat atc caa ggt cag tat cgg gtt 48 Met Arg Pro Glu Ile Ala Val Leu Asp Ile Gln Gly Gln Tyr Arg Val 1 5 10 15 tac acg gag ttc tat cgc gcg gat gcg gcc gaa aac acg atc atc ctg 96 Tyr Thr Glu Phe Tyr Arg Ala Asp Ala Ala Glu Asn Thr Ile Ile Leu 20 25 30 atc aac ggc tcg ctg gcc acc acg gcc tcg ttc gcc cag acg gta cgt 144 Ile Asn Gly Ser Leu Ala Thr Thr Ala Ser Phe Ala Gln Thr Val Arg 35 40 45 aac ctg cac cca cag ttc aac gtg gtt ctg ttc gac cag ccg tat tca 192 Asn Leu His Pro Gln Phe Asn Val Val Leu Phe Asp Gln Pro Tyr Ser 50 55 60 ggc aag tcc aag ccg cac aac cgt cag gaa cgg ctg atc agc aag gag 240 Gly Lys Ser Lys Pro His Asn Arg Gln Glu Arg Leu Ile Ser Lys Glu 65 70 75 80 acc gag gcg cat atc ctc ctt gag ctg atc gag cac ttc cag gca gac 288 Thr Glu Ala His Ile Leu Leu Glu Leu Ile Glu His Phe Gln Ala Asp 85 90 95 cac gtg atg tct ttt tcg tgg ggt ggc gca agc acg ctg ctg gcg ctg 336 His Val Met Ser Phe Ser Trp Gly Gly Ala Ser Thr Leu Leu Ala Leu 100 105 110 gcg cac cag ccg cgg tac gtg aag aag gca gtg gtg agt tcg ttc tcg 384 Ala His Gln Pro Arg Tyr Val Lys Lys Ala Val Val Ser Ser Phe Ser 115 120 125 cca gtg atc aac gag ccg atg cgc gac tat ctg gac cgt ggc tgc cag 432 Pro Val Ile Asn Glu Pro Met Arg Asp Tyr Leu Asp Arg Gly Cys Gln 130 135 140 tac ctg gcc gcc tgc gac cgt tat cag gtc ggc aac ctg gtc aat gac 480 Tyr Leu Ala Ala Cys Asp Arg Tyr Gln Val Gly Asn Leu Val Asn Asp 145 150 155 160 acc atc ggc aag cac ttg ccg tcg ctg ttc aaa cgc ttc aac tac cgc 528 Thr Ile Gly Lys His Leu Pro Ser Leu Phe Lys Arg Phe Asn Tyr Arg 165 170 175 cat gtg agc agc ctg gac agc cac gag tac gca cag atg cac ttc cac 576 His Val Ser Ser Leu Asp Ser His Glu Tyr Ala Gln Met His Phe His 180 185 190 atc aac cag gtg ctg gag cac gac ctg gaa cgt gcg ctg caa ggc gcg 624 Ile Asn Gln Val Leu Glu His Asp Leu Glu Arg Ala Leu Gln Gly Ala 195 200 205 cgc aat atc aac atc ccg gtg ctg ttc atc aac ggc gag cgc gac gag 672 Arg Asn Ile Asn Ile Pro Val Leu Phe Ile Asn Gly Glu Arg Asp Glu 210 215 220 tac acc aca gtc gag gat gcg cgg cag ttc agc aag cat gtg ggc aga 720 Tyr Thr Thr Val Glu Asp Ala Arg Gln Phe Ser Lys His Val Gly Arg 225 230 235 240 agc cag ttc agc gtg atc cgc gat gcg ggc cac ttc ctg gac atg gag 768 Ser Gln Phe Ser Val Ile Arg Asp Ala Gly His Phe Leu Asp Met Glu 245 250 255 aac aag acc gcc tgc gag aac acc cgc aat gtc atg ctg ggc ttc ctc 816 Asn Lys Thr Ala Cys Glu Asn Thr Arg Asn Val Met Leu Gly Phe Leu 260 265 270 aag cca acc gtg cgt gaa ccc cgc caa cgt tac caa ccc gtg cag cag 864 Lys Pro Thr Val Arg Glu Pro Arg Gln Arg Tyr Gln Pro Val Gln Gln 275 280 285 ggg cag cat gca ttt gcc atc tga 888 Gly Gln His Ala Phe Ala Ile 290 295 <210> 18 <211> 295 <212> PRT <213> Pseudomonas putida <400> 18 Met Arg Pro Glu Ile Ala Val Leu Asp Ile Gln Gly Gln Tyr Arg Val 1 5 10 15 Tyr Thr Glu Phe Tyr Arg Ala Asp Ala Ala Glu Asn Thr Ile Ile Leu 20 25 30 Ile Asn Gly Ser Leu Ala Thr Thr Ala Ser Phe Ala Gln Thr Val Arg 35 40 45 Asn Leu His Pro Gln Phe Asn Val Val Leu Phe Asp Gln Pro Tyr Ser 50 55 60 Gly Lys Ser Lys Pro His Asn Arg Gln Glu Arg Leu Ile Ser Lys Glu 65 70 75 80 Thr Glu Ala His Ile Leu Leu Glu Leu Ile Glu His Phe Gln Ala Asp 85 90 95 His Val Met Ser Phe Ser Trp Gly Gly Ala Ser Thr Leu Leu Ala Leu 100 105 110 Ala His Gln Pro Arg Tyr Val Lys Lys Ala Val Val Ser Ser Phe Ser 115 120 125 Pro Val Ile Asn Glu Pro Met Arg Asp Tyr Leu Asp Arg Gly Cys Gln 130 135 140 Tyr Leu Ala Ala Cys Asp Arg Tyr Gln Val Gly Asn Leu Val Asn Asp 145 150 155 160 Thr Ile Gly Lys His Leu Pro Ser Leu Phe Lys Arg Phe Asn Tyr Arg 165 170 175 His Val Ser Ser Leu Asp Ser His Glu Tyr Ala Gln Met His Phe His 180 185 190 Ile Asn Gln Val Leu Glu His Asp Leu Glu Arg Ala Leu Gln Gly Ala 195 200 205 Arg Asn Ile Asn Ile Pro Val Leu Phe Ile Asn Gly Glu Arg Asp Glu 210 215 220 Tyr Thr Thr Val Glu Asp Ala Arg Gln Phe Ser Lys His Val Gly Arg 225 230 235 240 Ser Gln Phe Ser Val Ile Arg Asp Ala Gly His Phe Leu Asp Met Glu 245 250 255 Asn Lys Thr Ala Cys Glu Asn Thr Arg Asn Val Met Leu Gly Phe Leu 260 265 270 Lys Pro Thr Val Arg Glu Pro Arg Gln Arg Tyr Gln Pro Val Gln Gln 275 280 285 Gly Gln His Ala Phe Ala Ile 290 295 <210> 19 <211> 507 <212> DNA <213> Pseudomonas sp. strain 61-3 <220> <221> CDS <222> (1)..(507) <400> 19 atg tct gca tcc ctc gca ttc gtc ttt cca ggg cag ggc tcg cag tcc 48 Met Ser Ala Ser Leu Ala Phe Val Phe Pro Gly Gln Gly Ser Gln Ser 1 5 10 15 ctc ggc atg ttg gcc gag ttg ggc gcg caa tac ccg ttg atc ctg gaa 96 Leu Gly Met Leu Ala Glu Leu Gly Ala Gln Tyr Pro Leu Ile Leu Glu 20 25 30 aca ttc aaa gaa gct tcc gat gct ctg ggt tat gac ctg tgg gca ttg 144 Thr Phe Lys Glu Ala Ser Asp Ala Leu Gly Tyr Asp Leu Trp Ala Leu 35 40 45 acc cag caa ggg ccg gaa gag caa ctc aat caa acc gat aaa acc cag 192 Thr Gln Gln Gly Pro Glu Glu Gln Leu Asn Gln Thr Asp Lys Thr Gln 50 55 60 ccg gcc att ctc act gcg tcc gtc gca ttg tgg cgg ctg tgg ttg gct 240 Pro Ala Ile Leu Thr Ala Ser Val Ala Leu Trp Arg Leu Trp Leu Ala 65 70 75 80 gaa ggc ggt gcg cgc ccg gct tat gtc gca ggt cac agt ctg ggc gaa 288 Glu Gly Gly Ala Arg Pro Ala Tyr Val Ala Gly His Ser Leu Gly Glu 85 90 95 tac agc gct ctg gtg gct gcg ggc agt ctg agc ctg ggt gat gcc gtt 336 Tyr Ser Ala Leu Val Ala Ala Gly Ser Leu Ser Leu Gly Asp Ala Val 100 105 110 aag ctg gta gag cgt cgc ggt cag ttg atg caa gag gct gta cct gcc 384 Lys Leu Val Glu Arg Arg Gly Gln Leu Met Gln Glu Ala Val Pro Ala 115 120 125 ggg cag ggg gcg gca tgg ccg cca ttc tcg gtc tgg aag atg ccg atg 432 Gly Gln Gly Ala Ala Trp Pro Pro Phe Ser Val Trp Lys Met Pro Met 130 135 140 tgc tgg cgg cct gtg cag agg ctg cgc aag gtg aag tgg tca gtg cgg 480 Cys Trp Arg Pro Val Gln Arg Leu Arg Lys Val Lys Trp Ser Val Arg 145 150 155 160 tca act tca act cgc cgg gtc aag tag 507 Ser Thr Ser Thr Arg Arg Val Lys 165 <210> 20 <211> 168 <212> PRT <213> Pseudomonas sp. strain 61-3 <400> 20 Met Ser Ala Ser Leu Ala Phe Val Phe Pro Gly Gln Gly Ser Gln Ser 1 5 10 15 Leu Gly Met Leu Ala Glu Leu Gly Ala Gln Tyr Pro Leu Ile Leu Glu 20 25 30 Thr Phe Lys Glu Ala Ser Asp Ala Leu Gly Tyr Asp Leu Trp Ala Leu 35 40 45 Thr Gln Gln Gly Pro Glu Glu Gln Leu Asn Gln Thr Asp Lys Thr Gln 50 55 60 Pro Ala Ile Leu Thr Ala Ser Val Ala Leu Trp Arg Leu Trp Leu Ala 65 70 75 80 Glu Gly Gly Ala Arg Pro Ala Tyr Val Ala Gly His Ser Leu Gly Glu 85 90 95 Tyr Ser Ala Leu Val Ala Ala Gly Ser Leu Ser Leu Gly Asp Ala Val 100 105 110 Lys Leu Val Glu Arg Arg Gly Gln Leu Met Gln Glu Ala Val Pro Ala 115 120 125 Gly Gln Gly Ala Ala Trp Pro Pro Phe Ser Val Trp Lys Met Pro Met 130 135 140 Cys Trp Arg Pro Val Gln Arg Leu Arg Lys Val Lys Trp Ser Val Arg 145 150 155 160 Ser Thr Ser Thr Arg Arg Val Lys 165 <210> 21 <211> 930 <212> DNA <213> Escherichia coli <220> <221> CDS <222> (1)..(930) <400> 21 atg acg caa ttt gca ttt gtg ttc cct gga cag ggt tct caa acc gtt 48 Met Thr Gln Phe Ala Phe Val Phe Pro Gly Gln Gly Ser Gln Thr Val 1 5 10 15 gga atg ctg gct gat atg gcg gcg agc tat cca att gtc gaa gaa acg 96 Gly Met Leu Ala Asp Met Ala Ala Ser Tyr Pro Ile Val Glu Glu Thr 20 25 30 ttt gct gaa gct tct gcg gcg ctg ggc tac gac ctg tgg gcg ctg acc 144 Phe Ala Glu Ala Ser Ala Ala Leu Gly Tyr Asp Leu Trp Ala Leu Thr 35 40 45 cag cag ggg cca gct gaa gaa ctg aat aaa acc tgg caa act cag cct 192 Gln Gln Gly Pro Ala Glu Glu Leu Asn Lys Thr Trp Gln Thr Gln Pro 50 55 60 gcg ctg ttg act gca tct gtt gcg ctg tat cgc gta tgg cag cag cag 240 Ala Leu Leu Thr Ala Ser Val Ala Leu Tyr Arg Val Trp Gln Gln Gln 65 70 75 80 ggc ggt aaa gca ccg gca atg atg gcc ggt cac agc ctg ggg gaa tac 288 Gly Gly Lys Ala Pro Ala Met Met Ala Gly His Ser Leu Gly Glu Tyr 85 90 95 tcc gcg ctg gtt tgc gct ggt gtg att gat ttc gct gat gcg gtg cgt 336 Ser Ala Leu Val Cys Ala Gly Val Ile Asp Phe Ala Asp Ala Val Arg 100 105 110 ctg gtt gag atg cgc ggc aag ttc atg caa gaa gcc gta ccg gaa ggc 384 Leu Val Glu Met Arg Gly Lys Phe Met Gln Glu Ala Val Pro Glu Gly 115 120 125 acg ggc gct atg gcg gca atc atc ggt ctg gat gat gcg tct att gcg 432 Thr Gly Ala Met Ala Ala Ile Ile Gly Leu Asp Asp Ala Ser Ile Ala 130 135 140 aaa gcg tgt gaa gaa gct gca gaa ggt cag gtc gtt tct ccg gta aac 480 Lys Ala Cys Glu Glu Ala Ala Glu Gly Gln Val Val Ser Pro Val Asn 145 150 155 160 ttt aac tct ccg gga cag gtg gtt att gcc ggt cat aaa gaa gcg gtt 528 Phe Asn Ser Pro Gly Gln Val Val Ile Ala Gly His Lys Glu Ala Val 165 170 175 gag cgt gct ggc gct gcc tgt aaa gcg gcg ggc gca aaa cgc gcg ctg 576 Glu Arg Ala Gly Ala Ala Cys Lys Ala Ala Gly Ala Lys Arg Ala Leu 180 185 190 ccg tta cca gtg agc gta ccg tct cac tgt gcg ctg atg aaa cca gca 624 Pro Leu Pro Val Ser Val Pro Ser His Cys Ala Leu Met Lys Pro Ala 195 200 205 gcc gac aaa ctg gca gta gaa tta gcg aaa atc acc ttt aac gca cca 672 Ala Asp Lys Leu Ala Val Glu Leu Ala Lys Ile Thr Phe Asn Ala Pro 210 215 220 aca gtt cct gtt gtg aat aac gtt gat gtg aaa tgc gaa acc aat ggt 720 Thr Val Pro Val Val Asn Asn Val Asp Val Lys Cys Glu Thr Asn Gly 225 230 235 240 gat gcc atc cgt gac gca ctg gta cgt cag ttg tat aac ccg gtt cag 768 Asp Ala Ile Arg Asp Ala Leu Val Arg Gln Leu Tyr Asn Pro Val Gln 245 250 255 tgg acg aag tct gtt gag tac atg gca gcg caa ggc gta gaa cat ctc 816 Trp Thr Lys Ser Val Glu Tyr Met Ala Ala Gln Gly Val Glu His Leu 260 265 270 tat gaa gtc ggc ccg ggc aaa gtg ctt act ggc ctg acg aaa cgc att 864 Tyr Glu Val Gly Pro Gly Lys Val Leu Thr Gly Leu Thr Lys Arg Ile 275 280 285 gtc gac acc ctg acc gcc tcg gcg ctg aac gaa cct tca gcg atg gca 912 Val Asp Thr Leu Thr Ala Ser Ala Leu Asn Glu Pro Ser Ala Met Ala 290 295 300 gcg gcg ctc gag ctt taa 930 Ala Ala Leu Glu Leu 305 310 <210> 22 <211> 309 <212> PRT <213> Escherichia coli <400> 22 Met Thr Gln Phe Ala Phe Val Phe Pro Gly Gln Gly Ser Gln Thr Val 1 5 10 15 Gly Met Leu Ala Asp Met Ala Ala Ser Tyr Pro Ile Val Glu Glu Thr 20 25 30 Phe Ala Glu Ala Ser Ala Ala Leu Gly Tyr Asp Leu Trp Ala Leu Thr 35 40 45 Gln Gln Gly Pro Ala Glu Glu Leu Asn Lys Thr Trp Gln Thr Gln Pro 50 55 60 Ala Leu Leu Thr Ala Ser Val Ala Leu Tyr Arg Val Trp Gln Gln Gln 65 70 75 80 Gly Gly Lys Ala Pro Ala Met Met Ala Gly His Ser Leu Gly Glu Tyr 85 90 95 Ser Ala Leu Val Cys Ala Gly Val Ile Asp Phe Ala Asp Ala Val Arg 100 105 110 Leu Val Glu Met Arg Gly Lys Phe Met Gln Glu Ala Val Pro Glu Gly 115 120 125 Thr Gly Ala Met Ala Ala Ile Ile Gly Leu Asp Asp Ala Ser Ile Ala 130 135 140 Lys Ala Cys Glu Glu Ala Ala Glu Gly Gln Val Val Ser Pro Val Asn 145 150 155 160 Phe Asn Ser Pro Gly Gln Val Val Ile Ala Gly His Lys Glu Ala Val 165 170 175 Glu Arg Ala Gly Ala Ala Cys Lys Ala Ala Gly Ala Lys Arg Ala Leu 180 185 190 Pro Leu Pro Val Ser Val Pro Ser His Cys Ala Leu Met Lys Pro Ala 195 200 205 Ala Asp Lys Leu Ala Val Glu Leu Ala Lys Ile Thr Phe Asn Ala Pro 210 215 220 Thr Val Pro Val Val Asn Asn Val Asp Val Lys Cys Glu Thr Asn Gly 225 230 235 240 Asp Ala Ile Arg Asp Ala Leu Val Arg Gln Leu Tyr Asn Pro Val Gln 245 250 255 Trp Thr Lys Ser Val Glu Tyr Met Ala Ala Gln Gly Val Glu His Leu 260 265 270 Tyr Glu Val Gly Pro Gly Lys Val Leu Thr Gly Leu Thr Lys Arg Ile 275 280 285 Val Asp Thr Leu Thr Ala Ser Ala Leu Asn Glu Pro Ser Ala Met Ala 290 295 300 Ala Ala Leu Glu Leu 305 <210> 23 <211> 954 <212> DNA <213> Escherichia coli <220> <221> CDS <222> (1)..(954) <400> 23 atg tat acg aag att att ggt act ggc agc tat ctg ccc gaa caa gtg 48 Met Tyr Thr Lys Ile Ile Gly Thr Gly Ser Tyr Leu Pro Glu Gln Val 1 5 10 15 cgg aca aac gcc gat ttg gaa aaa atg gtg gac acc tct gac gag tgg 96 Arg Thr Asn Ala Asp Leu Glu Lys Met Val Asp Thr Ser Asp Glu Trp 20 25 30 att gtc act cgt acc ggt atc cgc gaa cgc cac att gcc gcg cca aac 144 Ile Val Thr Arg Thr Gly Ile Arg Glu Arg His Ile Ala Ala Pro Asn 35 40 45 gaa acc gtt tca acc atg ggc ttt gaa gcg gcg aca cgc gca att gag 192 Glu Thr Val Ser Thr Met Gly Phe Glu Ala Ala Thr Arg Ala Ile Glu 50 55 60 atg gcg ggc att gag aaa gac cag att ggc ctg atc gtt gtg gca acg 240 Met Ala Gly Ile Glu Lys Asp Gln Ile Gly Leu Ile Val Val Ala Thr 65 70 75 80 act tct gct acg cac gct ttc ccg agc gca gct tgt cag att caa agc 288 Thr Ser Ala Thr His Ala Phe Pro Ser Ala Ala Cys Gln Ile Gln Ser 85 90 95 atg ttg ggc att aaa ggt tgc ccg gca ttt gac gtt gca gca gcc tgc 336 Met Leu Gly Ile Lys Gly Cys Pro Ala Phe Asp Val Ala Ala Ala Cys 100 105 110 gca ggt ttc acc tat gca tta agc gta gcc gat caa tac gtg aaa tct 384 Ala Gly Phe Thr Tyr Ala Leu Ser Val Ala Asp Gln Tyr Val Lys Ser 115 120 125 ggg gcg gtg aag tat gct ctg gtc gtc ggt tcc gat gta ctg gcg cgc 432 Gly Ala Val Lys Tyr Ala Leu Val Val Gly Ser Asp Val Leu Ala Arg 130 135 140 acc tgc gat cca acc gat cgt ggg act att att att ttt ggc gat ggc 480 Thr Cys Asp Pro Thr Asp Arg Gly Thr Ile Ile Ile Phe Gly Asp Gly 145 150 155 160 gcg ggc gct gcg gtg ctg gct gcc tct gaa gag ccg gga atc att tcc 528 Ala Gly Ala Ala Val Leu Ala Ala Ser Glu Glu Pro Gly Ile Ile Ser 165 170 175 acc cat ctg cat gcc gac ggt agt tat ggt gaa ttg ctg acg ctg cca 576 Thr His Leu His Ala Asp Gly Ser Tyr Gly Glu Leu Leu Thr Leu Pro 180 185 190 aac gcc gac cgc gtg aat cca gag aat tca att cat ctg acg atg gcg 624 Asn Ala Asp Arg Val Asn Pro Glu Asn Ser Ile His Leu Thr Met Ala 195 200 205 ggc aac gaa gtc ttc aag gtt gcg gta acg gaa ctg gcg cac atc gtt 672 Gly Asn Glu Val Phe Lys Val Ala Val Thr Glu Leu Ala His Ile Val 210 215 220 gat gag acg ctg gcg gcg aat aat ctt gac cgt tct caa ctg gac tgg 720 Asp Glu Thr Leu Ala Ala Asn Asn Leu Asp Arg Ser Gln Leu Asp Trp 225 230 235 240 ctg gtt ccg cat cag gct aac ctg cgt att atc agt gca acg gcg aaa 768 Leu Val Pro His Gln Ala Asn Leu Arg Ile Ile Ser Ala Thr Ala Lys 245 250 255 aaa ctc ggt atg tct atg gat aat gtc gtg gtg acg ctg gat cgc cac 816 Lys Leu Gly Met Ser Met Asp Asn Val Val Val Thr Leu Asp Arg His 260 265 270 ggt aat acc tct gcg gcc tct gtc ccg tgc gcg ctg gat gaa gct gta 864 Gly Asn Thr Ser Ala Ala Ser Val Pro Cys Ala Leu Asp Glu Ala Val 275 280 285 cgc gac ggg cgc att aag ccg ggg cag ttg gtt ctg ctt gaa gcc ttt 912 Arg Asp Gly Arg Ile Lys Pro Gly Gln Leu Val Leu Leu Glu Ala Phe 290 295 300 ggc ggt gga ttc acc tgg ggc tcc gcg ctg gtt cgt ttc tag 954 Gly Gly Gly Phe Thr Trp Gly Ser Ala Leu Val Arg Phe 305 310 315 <210> 24 <211> 317 <212> PRT <213> Escherichia coli <400> 24 Met Tyr Thr Lys Ile Ile Gly Thr Gly Ser Tyr Leu Pro Glu Gln Val 1 5 10 15 Arg Thr Asn Ala Asp Leu Glu Lys Met Val Asp Thr Ser Asp Glu Trp 20 25 30 Ile Val Thr Arg Thr Gly Ile Arg Glu Arg His Ile Ala Ala Pro Asn 35 40 45 Glu Thr Val Ser Thr Met Gly Phe Glu Ala Ala Thr Arg Ala Ile Glu 50 55 60 Met Ala Gly Ile Glu Lys Asp Gln Ile Gly Leu Ile Val Val Ala Thr 65 70 75 80 Thr Ser Ala Thr His Ala Phe Pro Ser Ala Ala Cys Gln Ile Gln Ser 85 90 95 Met Leu Gly Ile Lys Gly Cys Pro Ala Phe Asp Val Ala Ala Ala Cys 100 105 110 Ala Gly Phe Thr Tyr Ala Leu Ser Val Ala Asp Gln Tyr Val Lys Ser 115 120 125 Gly Ala Val Lys Tyr Ala Leu Val Val Gly Ser Asp Val Leu Ala Arg 130 135 140 Thr Cys Asp Pro Thr Asp Arg Gly Thr Ile Ile Ile Phe Gly Asp Gly 145 150 155 160 Ala Gly Ala Ala Val Leu Ala Ala Ser Glu Glu Pro Gly Ile Ile Ser 165 170 175 Thr His Leu His Ala Asp Gly Ser Tyr Gly Glu Leu Leu Thr Leu Pro 180 185 190 Asn Ala Asp Arg Val Asn Pro Glu Asn Ser Ile His Leu Thr Met Ala 195 200 205 Gly Asn Glu Val Phe Lys Val Ala Val Thr Glu Leu Ala His Ile Val 210 215 220 Asp Glu Thr Leu Ala Ala Asn Asn Leu Asp Arg Ser Gln Leu Asp Trp 225 230 235 240 Leu Val Pro His Gln Ala Asn Leu Arg Ile Ile Ser Ala Thr Ala Lys 245 250 255 Lys Leu Gly Met Ser Met Asp Asn Val Val Val Thr Leu Asp Arg His 260 265 270 Gly Asn Thr Ser Ala Ala Ser Val Pro Cys Ala Leu Asp Glu Ala Val 275 280 285 Arg Asp Gly Arg Ile Lys Pro Gly Gln Leu Val Leu Leu Glu Ala Phe 290 295 300 Gly Gly Gly Phe Thr Trp Gly Ser Ala Leu Val Arg Phe 305 310 315 <210> 25 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 25 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag acc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Thr Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg agc ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Ser Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gag gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 26 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 26 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Thr Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Ser Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 27 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 27 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ccg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Pro Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 28 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 28 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Pro Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 29 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 29 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg gtc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Val Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag ccg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Pro Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 30 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 30 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Val Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Pro Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 31 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 31 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc agg tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Arg Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg ctg ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Leu Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ccg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Pro Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 32 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 32 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Arg Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Leu Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Pro Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 33 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 33 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg cgg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Arg Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gag 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Glu 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 34 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 34 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Arg Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Glu 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 35 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 35 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gac acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Asp Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 gtc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Val Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 36 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 36 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Asp Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Val Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 37 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 37 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ccc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Pro Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 38 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 38 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Pro Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 39 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 39 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc ggc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Gly Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 40 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 40 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Gly Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 41 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 41 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gag ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Glu Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 42 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 42 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Glu Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 43 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 43 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag agc aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Ser Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 44 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 44 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Ser Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 45 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 45 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc tgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Cys Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 cag atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Gln Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc ggc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Gly Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 46 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 46 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Cys Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Gln Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Gly Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 47 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 47 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag acc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Thr Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gcg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Ala Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 48 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Thr Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Ala Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 49 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 49 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg acc aat gcc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Thr Asn Ala Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 50 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 50 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Thr Asn Ala Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 51 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 51 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg ccc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Pro Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 52 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 52 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Pro Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 53 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 53 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gtg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Val Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 54 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 54 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Val Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 55 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 55 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gcc atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Ala Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 56 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 56 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Ala Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 57 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 57 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc cca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Pro 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac gtg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 58 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 58 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Pro 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Val Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 59 <211> 1770 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant gene obtained by error-prone PCR. <220> <221> CDS <222> (1)..(1770) <400> 59 atg gcg acc ggc aaa ggc gcg gca gct tcc acg cag gaa ggc aag tcc 48 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 caa cca ttc aag gtc acg ccg ggg cca ttc gat cca gcc aca tgg ctg 96 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 gaa tgg tcc cgc cag tgg cag ggc act gaa ggc aac ggc cac gcg gcc 144 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 gcg tcc ggc att ccg ggc ctg gat gcg ctg gca ggc gtc aag atc gcg 192 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 ccg gcg cag ctg ggt gat atc cag cag cgc tac atg aag gac ttc tca 240 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 gcg ctg tgg cag gcc atg gcc gag ggc aag gcc gag gcc acc ggt ccg 288 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 ctg cac gac cgg cgc ttc gcc ggc gac gca tgg cgc acc aac ctc cca 336 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 tat cgc ttc gct gcc gcg ttc tac ctg ctc aat gcg cgc gcc ttg acc 384 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 gag ctg gcc gat gcc gtc gag gcc gat gcc aag acc cgc cag cgc atc 432 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 cgc ttc gcg atc tcg caa tgg gtc gat gcg atg tcg ccc gcc aac ttc 480 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 ctt gcc acc aat ccc gag gcg cag cgc ctg ctg atc gag tcg ggc ggc 528 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 gaa tcg ctg cgt gcc ggc gtg cgc aac atg atg gaa gac ctg aca cgc 576 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 ggc aag atc tcg cag acc gac gag agc gcg ttt gag gtc ggc cgc aat 624 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 gtc gcg gtg acc gaa ggc gcc gtg gtc ttc gag aac gag tac ttc cag 672 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 ctg ttg cag tac aag ccg ctg acc gac aag gtg cac gcg cgc ccg ctg 720 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 ctg atg gtg ccg ccg tgc atc aac aag tac tac atc ctg gac ctg cag 768 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 ccg gag agc tcg ctg gtg cgc cat gtg gtg gag cag gga cat acg gtg 816 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 ttt ctg gtg tcg tgg cgc aat ccg gac gcc agc atg gcc ggc agc acc 864 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 tgg gac gac tac atc gag cac gcg gcc atc cgc gcc atc gaa gtc gcg 912 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 cgc gac atc agc ggc cag gac aag atc aac gtg ctc ggc ttc tgc gtg 960 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 ggc ggc acc att gtc tcg acc gcg ctg gcg gtg ctg gcc gcg cgc ggc 1008 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 gag cac ccg gcc gcc agc gtc acg ctg ctg acc acg ctg ctg gac ttt 1056 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 gcc gac acg ggc atc ctc gac gtc ttt gtc gac gag ggc cat gtg cag 1104 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 ttg cgc gag gcc acg ctg ggc ggc ggc gcc ggc gcg ccg tgc gcg ctg 1152 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 ctg cgc ggc ctt gag ctg gcc aat acc ttc tcg ttc ttg cgc ccg aac 1200 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 gac ctg gtg tgg aac tac gtg gtc gac aac tac ctg aag ggc aac acg 1248 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 ccg gtg ccg ttc gac ctg ctg ttc tgg aac ggc gac gcc acc aac ctg 1296 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 ccg ggg ccg tgg tac tgc tgg tac ctg cgc cac acc tac ctg cag aac 1344 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 gag ctc aag gta ccg ggc aag ctg acc gtg tgc ggc gtg ccg gtg gac 1392 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 ctg gcc agc atc gac atg ccg acc tat atc tac ggc tcg cgc gaa gac 1440 Leu Ala Ser Ile Asp Met Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 cat atc gtg ccg tgg acc gcg gcc tat gcc tcg acc gcg ctg ctg gcg 1488 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 aac aag ctg cgc ttc gtg ctg ggt gcg tcg ggc cat atc gcc ggt gtg 1536 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 atc aac ccg ccg gcc aag aac aag cgc agc cac tgg act aac gat gcg 1584 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 ctg ccg gag tcg ccg cag caa tgg ctg gcc ggc gcc atc gag cat cac 1632 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 ggc agc tgg tgg ccg gac tgg acc gca tgg ctg gcc ggg cag gcc ggc 1680 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 gcg aaa cgc gcc gcg ccc gcc aac tat ggc aat gcg cgc tat cgc gca 1728 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 atc gaa ccc gcg cct ggg cga tac gtc aaa gcc aag gca tga 1770 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 590 <210> 60 <211> 589 <212> PRT <213> Artificial Sequence <220> <223> Description of Artificial Sequence:A PHB synthase mutant obtained by error-prone PCR. <400> 60 Met Ala Thr Gly Lys Gly Ala Ala Ala Ser Thr Gln Glu Gly Lys Ser 1 5 10 15 Gln Pro Phe Lys Val Thr Pro Gly Pro Phe Asp Pro Ala Thr Trp Leu 20 25 30 Glu Trp Ser Arg Gln Trp Gln Gly Thr Glu Gly Asn Gly His Ala Ala 35 40 45 Ala Ser Gly Ile Pro Gly Leu Asp Ala Leu Ala Gly Val Lys Ile Ala 50 55 60 Pro Ala Gln Leu Gly Asp Ile Gln Gln Arg Tyr Met Lys Asp Phe Ser 65 70 75 80 Ala Leu Trp Gln Ala Met Ala Glu Gly Lys Ala Glu Ala Thr Gly Pro 85 90 95 Leu His Asp Arg Arg Phe Ala Gly Asp Ala Trp Arg Thr Asn Leu Pro 100 105 110 Tyr Arg Phe Ala Ala Ala Phe Tyr Leu Leu Asn Ala Arg Ala Leu Thr 115 120 125 Glu Leu Ala Asp Ala Val Glu Ala Asp Ala Lys Thr Arg Gln Arg Ile 130 135 140 Arg Phe Ala Ile Ser Gln Trp Val Asp Ala Met Ser Pro Ala Asn Phe 145 150 155 160 Leu Ala Thr Asn Pro Glu Ala Gln Arg Leu Leu Ile Glu Ser Gly Gly 165 170 175 Glu Ser Leu Arg Ala Gly Val Arg Asn Met Met Glu Asp Leu Thr Arg 180 185 190 Gly Lys Ile Ser Gln Thr Asp Glu Ser Ala Phe Glu Val Gly Arg Asn 195 200 205 Val Ala Val Thr Glu Gly Ala Val Val Phe Glu Asn Glu Tyr Phe Gln 210 215 220 Leu Leu Gln Tyr Lys Pro Leu Thr Asp Lys Val His Ala Arg Pro Leu 225 230 235 240 Leu Met Val Pro Pro Cys Ile Asn Lys Tyr Tyr Ile Leu Asp Leu Gln 245 250 255 Pro Glu Ser Ser Leu Val Arg His Val Val Glu Gln Gly His Thr Val 260 265 270 Phe Leu Val Ser Trp Arg Asn Pro Asp Ala Ser Met Ala Gly Ser Thr 275 280 285 Trp Asp Asp Tyr Ile Glu His Ala Ala Ile Arg Ala Ile Glu Val Ala 290 295 300 Arg Asp Ile Ser Gly Gln Asp Lys Ile Asn Val Leu Gly Phe Cys Val 305 310 315 320 Gly Gly Thr Ile Val Ser Thr Ala Leu Ala Val Leu Ala Ala Arg Gly 325 330 335 Glu His Pro Ala Ala Ser Val Thr Leu Leu Thr Thr Leu Leu Asp Phe 340 345 350 Ala Asp Thr Gly Ile Leu Asp Val Phe Val Asp Glu Gly His Val Gln 355 360 365 Leu Arg Glu Ala Thr Leu Gly Gly Gly Ala Gly Ala Pro Cys Ala Leu 370 375 380 Leu Arg Gly Leu Glu Leu Ala Asn Thr Phe Ser Phe Leu Arg Pro Asn 385 390 395 400 Asp Leu Val Trp Asn Tyr Val Val Asp Asn Tyr Leu Lys Gly Asn Thr 405 410 415 Pro Val Pro Phe Asp Leu Leu Phe Trp Asn Gly Asp Ala Thr Asn Leu 420 425 430 Pro Gly Pro Trp Tyr Cys Trp Tyr Leu Arg His Thr Tyr Leu Gln Asn 435 440 445 Glu Leu Lys Val Pro Gly Lys Leu Thr Val Cys Gly Val Pro Val Asp 450 455 460 Leu Ala Ser Ile Asp Met Pro Thr Tyr Ile Tyr Gly Ser Arg Glu Asp 465 470 475 480 His Ile Val Pro Trp Thr Ala Ala Tyr Ala Ser Thr Ala Leu Leu Ala 485 490 495 Asn Lys Leu Arg Phe Val Leu Gly Ala Ser Gly His Ile Ala Gly Val 500 505 510 Ile Asn Pro Pro Ala Lys Asn Lys Arg Ser His Trp Thr Asn Asp Ala 515 520 525 Leu Pro Glu Ser Pro Gln Gln Trp Leu Ala Gly Ala Ile Glu His His 530 535 540 Gly Ser Trp Trp Pro Asp Trp Thr Ala Trp Leu Ala Gly Gln Ala Gly 545 550 555 560 Ala Lys Arg Ala Ala Pro Ala Asn Tyr Gly Asn Ala Arg Tyr Arg Ala 565 570 575 Ile Glu Pro Ala Pro Gly Arg Tyr Val Lys Ala Lys Ala 580 585 <210> 61 <211> 20 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 61 gccggttcga atagtgacgg 20 <210> 62 <211> 21 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 62 agggaacctg caggcctgcc g 21 <210> 63 <211> 20 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 63 acatgatgga agacctgaca 20 <210> 64 <211> 20 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 64 ccatgtgcag ttgcgcgagg 20 <210> 65 <211> 21 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 65 gaccacggcg ccttcggtca c 21 <210> 66 <211> 20 <212> DNA <213> Artificial Sequence <220> <223> Description of Artificial Sequence:synthetic DNA <400> 66 ccggcgtgtt gcccttcagg 20
【0057】
【配列表フリーテキスト】
配列番号25:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号26:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号27:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号28:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号29:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号30:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号31:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号32:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号33:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号34:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号35:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号36:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号37:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号38:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号39:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号40:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号41:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号42:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号43:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号44:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号45:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号46:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号47:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号48:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号49:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号50:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号51:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号52:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号53:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号54:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号55:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号56:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号57:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号58:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号59:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体遺伝子 配列番号60:error-prone PCRによって得られたポリ3
-ヒドロキシブタン酸合成酵素変異体 配列番号61:合成DNA 配列番号62:合成DNA 配列番号63:合成DNA 配列番号64:合成DNA 配列番号65:合成DNA 配列番号66:合成DNA
【図面の簡単な説明】
【図1】ポリ3-ヒドロキシアルカン酸の生合成スキーム
を示した図である。
【図2】細菌におけるアセチル-CoA二量体系からのポリ
エステル生産とそれにかかわる酵素を示した図である。
【図3】細菌における脂肪酸代謝系からのポリエステル
生産とそれにかかわる酵素を示した図である。
【図4】ポリ3-ヒドロキシアルカン酸合成酵素の酵素学
的性質が産生されるポリ3-ヒドロキシアルカン酸の物性
・生産性に及ぼす影響を示した図である。
【図5】プラスミドpGEM'-phbCABReの構造を示した図で
ある。
【図6】変異体取得までの工程をに示した図である。
【図7】ラスルトニア・ユートロファ由来のポリ3-ヒド
ロキブタン酸合成酵素PhbCReの適応度地形を示した図で
ある。
【図8】各変異クローンの変異部位を示した図である。
【図9】各変異クローンにおけるポリ3-ヒドロキシブタ
ン酸合成酵素の活性とポリ3-ヒドロキシブタン酸蓄積率
との関係を示した図である。
【図10】UT5600株におけるポリ3-ヒドロキシブタン酸
蓄積率とJM109株におけるポリ3-ヒドロキシブタン酸蓄
積率との相関を示した図である。
【図11】変異クローンE-11のポリ3-ヒドロキシブタン
酸合成酵素の熱安定性を示した図である。
【図12】ポリ3-ヒドロキシブタン酸蓄積率の異なる変
異クローンにおけるポリ3-ヒドロキシブタン酸グラニュ
ール形状の形状を示した写真である。
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 FI テーマコート゛(参考) C12N 9/00 C12N 9/10 9/04 9/88 9/10 C12P 7/62 ZBP 9/88 C12N 15/00 ZNAA C12P 7/62 ZBP 5/00 A Fターム(参考) 4B024 AA03 BA07 BA08 BA10 BA80 CA03 CA20 DA06 EA04 GA25 4B050 CC01 CC04 DD01 GG01 HH01 HH02 LL05 4B064 AD83 CA02 CA19 CC01 CC24 DA16 4B065 AA01X AA01Y AA26X AA57X AA58X AA72X AA88X AA90X AB01 AC14 AC16 BA02 BA16 BB01 CA12 CA27 CA28 CA29 CA55

Claims (20)

    【特許請求の範囲】
  1. 【請求項1】 ポリ3-ヒドロキシアルカン酸の生合成に
    関与する酵素を進化工学的手法よって改変することを特
    徴とする該酵素の改変方法。
  2. 【請求項2】 ポリ3-ヒドロキシアルカン酸の生合成に
    関与する酵素が、ポリ3-ヒドロキシブタン酸合成酵素、
    ポリ3-ヒドロキシアルカン酸合成酵素、3-ケトチオラー
    ゼ、アセトアセチル-CoAレダクターゼ、エノイル-CoAヒド
    ラターゼ、3-ケトアシル-ACPレダクターゼ、(R)-3-ヒド
    ロキシアシル-ACP-CoAトランスアシラーゼ、マロニル-C
    oA-ACPトランスアシラーゼ及び3-ケトアシル-ACPシンタ
    ーゼIIIからなる群から選択されるものである請求項1
    記載の改変方法。
  3. 【請求項3】 ポリ3-ヒドロキシブタン酸合成酵素が、
    配列番号2で表されるアミノ酸配列からなるものである
    請求項2記載の改変方法。
  4. 【請求項4】 ポリ3-ヒドロキシアルカン酸合成酵素
    が、配列番号4、6又は8で表されるアミノ酸配列から
    なるものである請求項2記載の改変方法。
  5. 【請求項5】 3-ケトチオラーゼが、配列番号10で表
    されるアミノ酸配列からなるものである請求項2記載の
    改変方法。
  6. 【請求項6】 アセトアセチル-CoAレダクターゼが、配
    列番号12で表されるアミノ酸配列からなるものである
    請求項2記載の改変方法。
  7. 【請求項7】 エノイル-CoAヒドラターゼが、配列番号
    14で表されるアミノ酸配列からなるものである請求項
    2記載の改変方法。
  8. 【請求項8】 3-ケトアシル-ACPレダクターゼが、配列
    番号16で表されるアミノ酸配列からなるものである請
    求項2記載の改変方法。
  9. 【請求項9】 (R)-3-ヒドロキシアシル-ACP-CoAトラン
    スアシラーゼが、配列番号18で表されるアミノ酸配列
    からなるものである請求項2記載の改変方法。
  10. 【請求項10】 マロニル-CoA-ACPトランスアシラーゼ
    が、配列番号20又は22で表されるアミノ酸配列から
    なるものである請求項2記載の改変方法。
  11. 【請求項11】 3-ケトアシル-ACPシンターゼIIIが、
    配列番号24で表されるアミノ酸配列からなるものであ
    る請求項2記載の改変方法。
  12. 【請求項12】 進化工学的手法が、error-prone PCR
    によって、ポリ3-ヒドロキシアルカン酸の生合成に関与
    する酵素をコードする遺伝子にランダムに変異を導入す
    る工程を包含するものである請求項1記載の改変方法。
  13. 【請求項13】 配列番号26、28、30、32、3
    4、36、38、40、42、44、46、48、5
    0、52、54、56、58又は60で表されるアミノ
    酸からなる変異型ポリ3-ヒドロキシブタン酸合成酵素。
  14. 【請求項14】 配列番号26、28、30、32、3
    4、36、38、40、42、44、46、48、5
    0、52、54、56、58又は60で表されるアミノ
    酸配列からなる変異型ポリ3-ヒドロキシブタン酸合成酵
    素をコードする遺伝子。
  15. 【請求項15】 配列番号25、27、29、31、3
    3、35、37、39、41、43、45、47、4
    9、51、53、55、57又は59で表される塩基配
    列からなる変異型ポリ3-ヒドロキシブタン酸合成酵素遺
    伝子。
  16. 【請求項16】 請求項14又は15に記載の遺伝子を
    含有する組換えベクター。
  17. 【請求項17】 請求項16に記載の組換えベクターを
    含む形質転換体。
  18. 【請求項18】 請求項17に記載の形質転換体を培養
    し、得られる培養物から請求項13記載の変異型ポリ3-
    ヒドロキシブタン酸合成酵素を採取することを特徴とす
    る該酵素の製造方法。
  19. 【請求項19】 請求項17に記載の形質転換体を培養
    し、得られる培養物から生分解性エステル重合物を採取
    することを特徴とする生分解性エステル重合物の製造方
    法。
  20. 【請求項20】 配列番号2で表されるアミノ酸配列か
    らなるポリ3-ヒドロキシブタン酸合成酵素において、N
    末端より15番目のリジン、35番目のセリン、39番目のグ
    ルタミン、58番目のロイシン、63番目のイソロイシン、
    80番目のセリン、141番目のアルギニン、148番目のイソ
    ロイシン、154番目のアラニン、174番目のセリン、183
    番目のバリン、231番目のロイシン、241番目のロイシ
    ン、283番目のセリン、304番目のアラニン、306番目の
    アスパラギン酸、313番目のイソロイシン、343番目のバ
    リン、346番目のロイシン、358番目のロイシン、391番
    目のアラニン、393番目のトレオニン、426番目のアスパ
    ラギン、470番目のバリン、519番目のアスパラギン、54
    6番目のセリン及び577番目のイソロイシンのうち少なく
    とも1つを別のアミノ酸で置換することを特徴とするポ
    リ3-ヒドロキシブタン酸合成酵素の改変方法。
JP2001054717A 2000-10-23 2001-02-28 生分解性ポリエステル合成酵素の改変方法 Pending JP2002199890A (ja)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003050277A1 (fr) * 2001-12-10 2003-06-19 Riken Procede de production de polyester biodegradable
WO2006043555A1 (ja) * 2004-10-19 2006-04-27 Kaneka Corporation 生体高分子生成のための還元酵素変異体
US8076062B2 (en) 2002-07-01 2011-12-13 Tibotec Pharmaceuticals Ltd. Mutational profiles in HIV-1 protease correlated with phenotypic drug resistance
US8563236B2 (en) 1999-05-28 2013-10-22 Virco, N.V. Mutational profiles in HIV-1 reverse transcriptase correlated with phenotypic drug resistance
US8574831B2 (en) 2000-10-20 2013-11-05 Virco N.V. Mutational profiles in HIV-1 reverse transcriptase correlated with phenotypic drug resistance
US8592161B2 (en) 2002-07-01 2013-11-26 Janssen R&D Ireland Mutational profiles in HIV-1 protease correlated with phenotypic drug resistance
WO2014046178A1 (ja) * 2012-09-24 2014-03-27 昭和電工株式会社 遺伝子、微生物、変換方法及び製造方法
WO2016072448A1 (ja) * 2014-11-05 2016-05-12 東レ株式会社 エンドキシラナーゼ変異体、バイオマス分解用酵素組成物及び糖液の製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998036080A1 (en) * 1997-02-13 1998-08-20 The Dow Chemical Company Recombinant haloaliphatic dehalogenases
WO2000006718A2 (en) * 1998-07-28 2000-02-10 California Institute Of Technology Expression of functional eukaryotic proteins
WO2000053744A2 (en) * 1999-03-09 2000-09-14 Diversa Corporation End selection in directed evolution

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998036080A1 (en) * 1997-02-13 1998-08-20 The Dow Chemical Company Recombinant haloaliphatic dehalogenases
WO2000006718A2 (en) * 1998-07-28 2000-02-10 California Institute Of Technology Expression of functional eukaryotic proteins
WO2000053744A2 (en) * 1999-03-09 2000-09-14 Diversa Corporation End selection in directed evolution

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8563236B2 (en) 1999-05-28 2013-10-22 Virco, N.V. Mutational profiles in HIV-1 reverse transcriptase correlated with phenotypic drug resistance
US8574831B2 (en) 2000-10-20 2013-11-05 Virco N.V. Mutational profiles in HIV-1 reverse transcriptase correlated with phenotypic drug resistance
WO2003050277A1 (fr) * 2001-12-10 2003-06-19 Riken Procede de production de polyester biodegradable
US8076062B2 (en) 2002-07-01 2011-12-13 Tibotec Pharmaceuticals Ltd. Mutational profiles in HIV-1 protease correlated with phenotypic drug resistance
US8592161B2 (en) 2002-07-01 2013-11-26 Janssen R&D Ireland Mutational profiles in HIV-1 protease correlated with phenotypic drug resistance
WO2006043555A1 (ja) * 2004-10-19 2006-04-27 Kaneka Corporation 生体高分子生成のための還元酵素変異体
JPWO2006043555A1 (ja) * 2004-10-19 2008-05-22 株式会社カネカ 生体高分子生成のための還元酵素変異体
WO2014046178A1 (ja) * 2012-09-24 2014-03-27 昭和電工株式会社 遺伝子、微生物、変換方法及び製造方法
CN104640982A (zh) * 2012-09-24 2015-05-20 昭和电工株式会社 基因、微生物、转换方法及制造方法
JPWO2014046178A1 (ja) * 2012-09-24 2016-08-18 昭和電工株式会社 遺伝子、微生物、変換方法及び製造方法
WO2016072448A1 (ja) * 2014-11-05 2016-05-12 東レ株式会社 エンドキシラナーゼ変異体、バイオマス分解用酵素組成物及び糖液の製造方法
US10435728B2 (en) 2014-11-05 2019-10-08 Toray Industries, Inc. Endoxylanase mutant, enzyme composition for biomass decomposition, and method of producing sugar solution

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