JP2001512023A - バシラス由来の新規なβ−グルカナーゼ - Google Patents
バシラス由来の新規なβ−グルカナーゼInfo
- Publication number
- JP2001512023A JP2001512023A JP2000505313A JP2000505313A JP2001512023A JP 2001512023 A JP2001512023 A JP 2001512023A JP 2000505313 A JP2000505313 A JP 2000505313A JP 2000505313 A JP2000505313 A JP 2000505313A JP 2001512023 A JP2001512023 A JP 2001512023A
- Authority
- JP
- Japan
- Prior art keywords
- enzyme
- amino acid
- glucan
- acid sequence
- glucanase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 241000193830 Bacillus <bacterium> Species 0.000 title claims description 7
- 102000004190 Enzymes Human genes 0.000 claims abstract description 27
- 108090000790 Enzymes Proteins 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 17
- 241000193375 Bacillus alcalophilus Species 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 6
- 229920001503 Glucan Polymers 0.000 claims description 14
- 108090000623 proteins and genes Proteins 0.000 claims description 12
- 244000005700 microbiome Species 0.000 claims description 8
- 230000000593 degrading effect Effects 0.000 claims description 7
- FWMNVWWHGCHHJJ-SKKKGAJSSA-N 4-amino-1-[(2r)-6-amino-2-[[(2r)-2-[[(2r)-2-[[(2r)-2-amino-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]hexanoyl]piperidine-4-carboxylic acid Chemical compound C([C@H](C(=O)N[C@H](CC(C)C)C(=O)N[C@H](CCCCN)C(=O)N1CCC(N)(CC1)C(O)=O)NC(=O)[C@H](N)CC=1C=CC=CC=1)C1=CC=CC=C1 FWMNVWWHGCHHJJ-SKKKGAJSSA-N 0.000 claims description 6
- 229920002097 Lichenin Polymers 0.000 claims description 5
- 235000013305 food Nutrition 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- FYGDTMLNYKFZSV-URKRLVJHSA-N (2s,3r,4s,5s,6r)-2-[(2r,4r,5r,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5r,6s)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1[C@@H](CO)O[C@@H](OC2[C@H](O[C@H](O)[C@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O FYGDTMLNYKFZSV-URKRLVJHSA-N 0.000 claims description 3
- 229920002498 Beta-glucan Polymers 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000013048 microbiological method Methods 0.000 claims description 2
- 125000003275 alpha amino acid group Chemical group 0.000 claims 8
- 150000001576 beta-amino acids Chemical class 0.000 claims 1
- 108700038091 Beta-glucanases Proteins 0.000 abstract description 4
- 230000002378 acidificating effect Effects 0.000 abstract description 2
- 230000007935 neutral effect Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 150000001413 amino acids Chemical group 0.000 description 6
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
- 235000013361 beverage Nutrition 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
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- JNENSVNAUWONEZ-GUBZILKMSA-N Gln-Lys-Asn Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(N)=O)C(O)=O JNENSVNAUWONEZ-GUBZILKMSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- YYPFZVIXAVDHIK-IUCAKERBSA-N Gly-Glu-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)CN YYPFZVIXAVDHIK-IUCAKERBSA-N 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 2
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- UIMCLYYSUCIUJM-UWVGGRQHSA-N Pro-Gly-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)CNC(=O)[C@@H]1CCCN1 UIMCLYYSUCIUJM-UWVGGRQHSA-N 0.000 description 2
- 239000012614 Q-Sepharose Substances 0.000 description 2
- PURRNJBBXDDWLX-ZDLURKLDSA-N Ser-Thr-Gly Chemical compound C[C@H]([C@@H](C(=O)NCC(=O)O)NC(=O)[C@H](CO)N)O PURRNJBBXDDWLX-ZDLURKLDSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 102220201851 rs143406017 Human genes 0.000 description 2
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 2
- 239000012064 sodium phosphate buffer Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZMZGIVVRBMFZSG-UHFFFAOYSA-N 4-hydroxybenzohydrazide Chemical compound NNC(=O)C1=CC=C(O)C=C1 ZMZGIVVRBMFZSG-UHFFFAOYSA-N 0.000 description 1
- MSWSRLGNLKHDEI-ACZMJKKPSA-N Ala-Ser-Glu Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(O)=O)C(O)=O MSWSRLGNLKHDEI-ACZMJKKPSA-N 0.000 description 1
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- IZSMEUDYADKZTJ-KJEVXHAQSA-N Arg-Tyr-Thr Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H]([C@@H](C)O)C(O)=O IZSMEUDYADKZTJ-KJEVXHAQSA-N 0.000 description 1
- LLQIAIUAKGNOSE-NHCYSSNCSA-N Arg-Val-Gln Chemical compound NC(=O)CC[C@@H](C(O)=O)NC(=O)[C@H](C(C)C)NC(=O)[C@@H](N)CCCN=C(N)N LLQIAIUAKGNOSE-NHCYSSNCSA-N 0.000 description 1
- PCKRJVZAQZWNKM-WHFBIAKZSA-N Asn-Asn-Gly Chemical compound NC(=O)C[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)NCC(O)=O PCKRJVZAQZWNKM-WHFBIAKZSA-N 0.000 description 1
- NNMUHYLAYUSTTN-FXQIFTODSA-N Asn-Gln-Glu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O NNMUHYLAYUSTTN-FXQIFTODSA-N 0.000 description 1
- QNJIRRVTOXNGMH-GUBZILKMSA-N Asn-Gln-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](N)CC(N)=O QNJIRRVTOXNGMH-GUBZILKMSA-N 0.000 description 1
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- CTQIOCMSIJATNX-WHFBIAKZSA-N Asn-Gly-Ala Chemical compound [H]N[C@@H](CC(N)=O)C(=O)NCC(=O)N[C@@H](C)C(O)=O CTQIOCMSIJATNX-WHFBIAKZSA-N 0.000 description 1
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- 108091003079 Bovine Serum Albumin Proteins 0.000 description 1
- 102000005575 Cellulases Human genes 0.000 description 1
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- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 1
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- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
- C12N9/244—Endo-1,3(4)-beta-glucanase (3.2.1.6)
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- C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
- C12Y302/01039—Glucan endo-1,3-beta-D-glucosidase (3.2.1.39)
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- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
- C12N9/2405—Glucanases
- C12N9/2434—Glucanases acting on beta-1,4-glucosidic bonds
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- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
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- C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
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Abstract
Description
らびに、この酵素を生成する微生物に関する。
めに本明細書においては、このような種類の酵素をβ-グルカナーゼまたはベー タ-グルカナーゼと呼ぶ。
る量で存在する。これらを切断することができる酵素が、特に、食品、飲料およ
び動物飼料工業において、織物工業において、ならびに、デンプンの加工におい
て必要とされている[R.Borrissの「β-グルカン切断酵素」、H.Ruttloffの「工 業用酵素」中、第11.5章、Behr's Verlag、ハンブルグ (1994)]。β-グルカナー
ゼの最も重要な応用分野の1つは、飲料および醸造工業における応用であり、こ
こでこれらの酵素は、麦芽や大麦のβ-グルカンを分解するために使用される。
えば、ドイツ特許出願公開No.226 012に記載されている)またはバシラス・アミ
ロリクエファシエンス(Bacillus amyloliquefaciens)に由来するのが普通である
が、他の微生物、例えばアクロモバクター・ルナタス(Achromobacter lunatus) 、アトロバクター・ルテウス(Athrobacter luteus)、アスペルギラス・アクレア
タス(Aspergillus aculeatus)、アスペルギラス・ニガー(Aspergillus niger)、
ディスポロトリチュム・ジモルホスポラム(Disporotrichum dimorphosporum)、 フミコラ・インソレンス(Humicola insolens)、ペニシリウム・エメルソニー(Pe
nicillium emersonii)、ペニシリウム・フニクロサム(Penicillium funiculosum
)またはトリコデルマ・レーセイ(Trichoderma reesei)に由来するβ-グルカナー
ゼも知られている。醸造工業における使用が意図されている商業製品が、例えば
セレフロ(CerefloR)(製造元:Novo Nordisk A/S)の名称で市販されている。
適値を持つので、これらの使用は、このpH値で実施される方法に制限されてい る。本発明が指向する課題は、β-グルカナーゼの応用分野を広げること、およ び、アルカリ性条件下で実施される工業過程において使用するための、このよう
な条件下で充分に安定であるβ-グルカナーゼを開発することであった。
ラス(Bacillus alkalophilus)DSM9956から得られる酵素、β-グルカナー
ゼを産生する微生物バシラス・アルカロフィラスDSM9956、ならびに、本
発明に到達する研究の過程において同定および配列決定したバシラス・アルカロ
フィラスDSM9956由来のβ-グルカナーゼをコードしている遺伝子(配列番
号2)に関する。
でβ-グルカナーゼを発現させることができる。従って、本発明は、本質的に微 生物学的方法によって得られるこの遺伝子を含有する宿主生物にも関する。
ミノ酸からなると推定される]を含むバシラス・アルカロフィラスDSM995 6由来のβ-グルカナーゼは、308アミノ酸からなる。
〜0.9μmであり、長さが約2.5〜4.0μmである)。この微生物は、出願人
により、1995年4月13日にDSM(Deutsche Sammlung von Mikrooganisme
n und Zellkulturen GmbH, Mascheroder Weg 1b, 38124 Braunschweig)に寄託さ
れており、番号DSM9956を付与されている。
いて、より具体的にはこれら工業において膜および他の装置を洗浄する際にグル
カンおよび/またはリケナンを除去するために使用するのが好ましい。
ケナンを除去するための方法に関する。
単離した。大腸菌(E.coli)-バシラスのシャトルベクターであるプラスミドpM K4[M.A.Sullivanら、Gene 29 (1984), 21-26]のBamH1部位に連結した後、 これをコンピテントな大腸菌DH5α細胞中に導入した。β-グルカナーゼ活性 を有する組換えクローンを、0.2%リケニンを含むLBプレート(pH8.5)上 でコンゴ・レッド(Congo Red)を用いて着色することによって同定した。
)に対して透析した後、透析液をQ-セファロース(Q-Sepharose; Pharmacia)に固
定し、25mMリン酸ナトリウム緩衝液(pH7.5またはpH9.0)中の0〜1M
NaClの直線勾配液で溶離した。
273-279およびAnal.Biochem. 81 (1977), 21-27]が記載している方法の修飾法 に基づいた。50mMグリシン緩衝液(pH9.0)中のβ-グルカン(Sigma No. G65
13)の0.5重量%溶液を、この目的に用いた。この溶液(250μl)を、グルカ ン分解活性の試験をすべき物質を含む溶液(250μl)に添加し、40℃で30 分間インキュベートした。次いで、1mMの硝酸ビスマスおよび1mMの酒石酸ナ
トリウムカリウムを含有する0.5M NaOH中のp-ヒドロキシ安息香酸ヒドラ
ジド(PAHBAH)の1重量%溶液(1.5ml)を添加し、その後に、この溶液を 70℃に10分間加熱した。冷却(2分間/0℃)の後、410nmでの吸光を、例
えばユビコン(UvikonR)930光度計を用い、グルコース検量線を用いて室温で ブランク値に対して測定した。ブランク値は、グルカン溶液をPAHBAH溶液
の後に添加することを除き、測定溶液と同じ方法で調製した溶液であった。1U
は、このような条件下で1分間あたりに1μモルのグルコースを生成する酵素量
に相当する。
酵素は、SDSポリアクリルアミドゲル電気泳動において、均質なバンドとして
着色された(銀着色)。
56由来のβ-グルカナーゼの分子量を約30,000であると概算した。
によりpH5.2にあることがわかった。
Lの蒸留水中に、21.01gのクエン酸・H2O、13.61gのKH2PO4、 19.07gのNa2B4O7・10H2O、12.11gのトリスおよび7.46gの
KCl;50mlのこの保存溶液を、0.4N NaOHを用いて所望のpHに調整し 、蒸留水を用いて200mlにした]において、40℃で、30分間のインキュベ ート後に行った。図2に示すpHプロフィール(相対グルカン分解活性をpHに対 してプロットした)から明瞭にわかるように、この酵素は、pH6〜10.5のと ころで最も活性であった。最適値はpH9にある。
分間のインキュベート後に測定した。この緩衝液は1℃あたりpH約0.033の
温度依存性を有しているので、試験溶液のpH値を適合させた。図3(酵素の相対
グルカン分解活性を温度Tに対してプロットした)に示すように、グルカン分解 活性の最大値は60℃にある。
シュレンクテル・ハフツング 通り:ヘンケルシュトラーセ67番、ゲボイデY20 市:デュッセルドルフ 州:ノルトライン−ヴェストファーレン 郵便番号:40589 電話番号:0211−7976763 ファックス番号:0211−7987607 発明の名称: バシラス由来の新規なβ−グルカナーゼ 配列の数: 2 連絡先: 名宛人:コグニス・ゲゼルシャフト・ヒュア・ビオテクノロギー・ミット・
ベシュレンクテル・ハフツング 通り:ヘンケルシュトラーセ67番、ゲボイデY20 市:デュッセルドルフ 州:ノルトライン−ヴェストファーレン 郵便番号:40589 コンピューター解読書式: 媒体型:フロッピー・ディスク コンピューター:IBM PC適合 オペレーティング・システム:MSウィンドウズ ソフトウエア:MS WORD 97
を示す図である。
Claims (11)
- 【請求項1】 β-グルカナーゼを産生する微生物であるバシラス・アルカ ロフィラスDSM9956。
- 【請求項2】 バシラス・アルカロフィラスDSM9956から得られるβ
-グルカン分解活性を有する酵素。 - 【請求項3】 図1に示すアミノ酸配列を有するか、または、配列番号1に
再現するアミノ酸配列を有する酵素のアミノ酸配列に対して70%以上の相同性
を有することを特徴とする請求項2に記載の酵素。 - 【請求項4】 配列番号1に再現するアミノ酸配列を有する酵素のアミノ酸
配列に対して75〜99%の相同性を有することを特徴とする請求項3に記載の
酵素。 - 【請求項5】 請求項2〜4のいずれかに記載の酵素をコードしている遺伝
子。 - 【請求項6】 配列番号2に再現する配列を有するか、または、該配列に対
して70%以上の相同性を有することを特徴とする請求項5に記載の遺伝子。 - 【請求項7】 配列番号2に再現する配列に対して75〜99%の相同性を
有することを特徴とする請求項6に記載の遺伝子。 - 【請求項8】 本質的に微生物学的方法によって得られる請求項5〜7のい
ずれかに記載の遺伝子を含有する宿主生物。 - 【請求項9】 食品工業において、より具体的には醸造工業において、膜お
よび装置を洗浄する際にグルカンおよび/またはリケナンを除去するための、バ
シラス・アルカロフィラスDSM9956から得られるβ-グルカン分解活性を 有する酵素の使用。 - 【請求項10】 酵素が、図1に示すアミノ酸配列を有するか、または、配
列番号1に再現するアミノ酸配列を有する酵素のアミノ酸配列に対して70%以
上、より具体的には75〜99%の相同性を有することを特徴とする請求項9に
記載の使用。 - 【請求項11】 食品工業において、より具体的には醸造工業において、膜
および装置を洗浄する際にグルカンおよび/またはリケナンを除去するための方
法であって、バシラス・アルカロフィラスDSM9956から得られるβ-グル カン分解活性を有する酵素を使用することを特徴とする方法。
Applications Claiming Priority (3)
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DE19732751A DE19732751A1 (de) | 1997-07-30 | 1997-07-30 | Neue Beta-Glucanase aus Bacillus |
DE19732751.6 | 1997-07-30 | ||
PCT/EP1998/004564 WO1999006573A1 (de) | 1997-07-30 | 1998-07-21 | Neue beta-glucanase aus bacillus |
Publications (3)
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JP2001512023A true JP2001512023A (ja) | 2001-08-21 |
JP2001512023A5 JP2001512023A5 (ja) | 2006-01-05 |
JP4222723B2 JP4222723B2 (ja) | 2009-02-12 |
Family
ID=7837329
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JP2000505313A Expired - Fee Related JP4222723B2 (ja) | 1997-07-30 | 1998-07-21 | バシラス由来の新規なβ−グルカナーゼ |
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US (1) | US6541233B1 (ja) |
EP (1) | EP0988384B1 (ja) |
JP (1) | JP4222723B2 (ja) |
KR (1) | KR20010022387A (ja) |
CN (1) | CN1265703A (ja) |
AT (1) | ATE304597T1 (ja) |
DE (2) | DE19732751A1 (ja) |
DK (1) | DK0988384T3 (ja) |
ES (1) | ES2249840T3 (ja) |
HU (1) | HUP0004264A2 (ja) |
PL (1) | PL338296A1 (ja) |
WO (1) | WO1999006573A1 (ja) |
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-
1997
- 1997-07-30 DE DE19732751A patent/DE19732751A1/de not_active Ceased
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1998
- 1998-07-21 PL PL98338296A patent/PL338296A1/xx unknown
- 1998-07-21 KR KR1020007000966A patent/KR20010022387A/ko not_active Application Discontinuation
- 1998-07-21 HU HU0004264A patent/HUP0004264A2/hu unknown
- 1998-07-21 ES ES98942588T patent/ES2249840T3/es not_active Expired - Lifetime
- 1998-07-21 CN CN98807684A patent/CN1265703A/zh active Pending
- 1998-07-21 DE DE59813060T patent/DE59813060D1/de not_active Expired - Lifetime
- 1998-07-21 WO PCT/EP1998/004564 patent/WO1999006573A1/de active IP Right Grant
- 1998-07-21 US US09/463,862 patent/US6541233B1/en not_active Expired - Fee Related
- 1998-07-21 AT AT98942588T patent/ATE304597T1/de active
- 1998-07-21 EP EP98942588A patent/EP0988384B1/de not_active Expired - Lifetime
- 1998-07-21 DK DK98942588T patent/DK0988384T3/da active
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Also Published As
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DE59813060D1 (de) | 2005-10-20 |
KR20010022387A (ko) | 2001-03-15 |
HUP0004264A2 (en) | 2001-03-28 |
EP0988384B1 (de) | 2005-09-14 |
US6541233B1 (en) | 2003-04-01 |
PL338296A1 (en) | 2000-10-23 |
ATE304597T1 (de) | 2005-09-15 |
DE19732751A1 (de) | 1999-02-04 |
CN1265703A (zh) | 2000-09-06 |
WO1999006573A1 (de) | 1999-02-11 |
ES2249840T3 (es) | 2006-04-01 |
EP0988384A1 (de) | 2000-03-29 |
JP4222723B2 (ja) | 2009-02-12 |
DK0988384T3 (da) | 2006-01-30 |
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