JPH0226958B2 - - Google Patents

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Publication number
JPH0226958B2
JPH0226958B2 JP55047096A JP4709680A JPH0226958B2 JP H0226958 B2 JPH0226958 B2 JP H0226958B2 JP 55047096 A JP55047096 A JP 55047096A JP 4709680 A JP4709680 A JP 4709680A JP H0226958 B2 JPH0226958 B2 JP H0226958B2
Authority
JP
Japan
Prior art keywords
diphosphate
present
oligoribonucleotides
papa
reaction
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.)
Expired - Lifetime
Application number
JP55047096A
Other languages
Japanese (ja)
Other versions
JPS56144095A (en
Inventor
Isao Uchida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP4709680A priority Critical patent/JPS56144095A/en
Publication of JPS56144095A publication Critical patent/JPS56144095A/en
Publication of JPH0226958B2 publication Critical patent/JPH0226958B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 本発明はオリゴリボヌクレオチドの製造法に関
する。さらに詳しくは、アール・エヌ・エーリガ
ーゼを触媒として用いるオリゴリボヌクレオチド
の製造法に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for producing oligoribonucleotides. More specifically, the present invention relates to a method for producing oligoribonucleotides using RN eligase as a catalyst.

近来、核酸が生体の重要な機能である遺伝形質
の伝達や蛋白質合成などに果している役割が解明
されるにおよんで、その構造と機能の関連性をよ
り深く知ることがますます重要になつてきてい
る。そして所望の塩基配列を有するオリゴヌクレ
オチドを合成し、蛋白合成系に与える影響を調べ
ることによつて、構造と機能の関連を知ることも
1つの研究方法としてよくおこなわれている。
In recent years, as the role that nucleic acids play in important biological functions such as transmission of genetic traits and protein synthesis has been elucidated, it has become increasingly important to understand the relationship between their structure and function. ing. One research method that is often used is to synthesize oligonucleotides having a desired base sequence and examine their effects on protein synthesis systems to understand the relationship between structure and function.

本発明者は、酵素的手段を用いる塩基配列のき
まつたオリゴリボヌクレオチドの簡便かつ収率の
よい調製方法を開発すべく鋭意検討した結果、本
発明に到達した。
The present inventor has arrived at the present invention as a result of intensive studies aimed at developing a simple and high-yield method for preparing oligoribonucleotides with a fixed base sequence using enzymatic means.

本発明の要旨は、アール・エヌ・エーリガーゼ
を触媒として用い、ジリボヌクレオシド5′,3′−
ジフオスフエートの5′−フオスフエートのヒドロ
キシル基をアルキル基でブロツク化したものと、
リボヌクレオチド5′,3′−ジフオスフエートとを
反応させることを特徴とするオリゴリボヌクレオ
チドの製造法に存する。
The gist of the present invention is to use R.N. eligase as a catalyst to produce diribonucleoside 5',3'-
5′-phosphonate diphosphonate whose hydroxyl group is blocked with an alkyl group,
The present invention relates to a method for producing oligoribonucleotides, which comprises reacting ribonucleotides with 5',3'-diphosphate.

本発明を詳細に説明するに、触媒として用いる
アール・エヌ・エーリガーゼ(以下において、こ
れをRNAリガーゼと記す)としては、ビオキミ
カ・エト・ビオフイジカ・アクタ第562巻149〜
161頁(1979年)に記載された方法に従い、ほぼ
リボヌクレアーゼが存在しない程度に精製したも
のが用いられる。すなわち、T4フアージを感染
された大腸菌を破砕し、その破砕液から、硫安沈
澱、カラムクロマトグラフイーなどにより分離精
製することによつてRNAリガーゼが得られる。
To explain the present invention in detail, RN Eligase (hereinafter referred to as RNA ligase) used as a catalyst is Biochimica Et Biofijica Acta Vol. 562, 149-
According to the method described on page 161 (1979), it is purified to the extent that almost no ribonuclease is present. That is, RNA ligase can be obtained by disrupting E. coli infected with T4 phage and separating and purifying the disrupted solution by ammonium sulfate precipitation, column chromatography, or the like.

一方原料第1成分として用いられるジリボヌク
レオシド5′,3′−ジフオスフエートのヒドロキシ
ル基をアルキル基でブロツク化したものとして
は、ジリボヌクレオシド5′,3′−ジフオスフエー
トの5′−フオスフオアルキルエステルまたは挙げ
られ、具体的には式CH3−pApAで表わされる
5′−O−ホスホリル−アデニリル(3′→5′)アデ
ノシンのメチルエステルが挙げられる。
On the other hand, 5'-phosphoalkyl ester of diribonucleoside 5',3'-diphosphate used as the first component of the raw material, in which the hydroxyl group of diribonucleoside 5',3'-diphosphate is blocked with an alkyl group, is or specifically represented by the formula CH 3 −pApA
Examples include methyl ester of 5'-O-phosphoryl-adenylyl (3'→5') adenosine.

また、第2成分のリボヌクレオチド5′,3′−ジ
フオスフエートとしては、pCpで表わされるシチ
ジン5′,3′−ジフオスフエート、pApで表わされ
るアデノシン5′,3′−ジフオスフエート、pUpで
表わされるウリジン5′,3′−ジフオスフエート、
pGpで表わされるグアノシン5′,3′−ジフオスフ
エート等が挙げられる。
The second component ribonucleotide 5',3'-diphosphate includes cytidine 5',3'-diphosphate represented by pCp, adenosine 5',3'-diphosphate represented by pAp, and uridine 5'-diphosphate represented by pUp. ′,3′-diphosphate,
Examples include guanosine 5',3'-diphosphate represented by pGp.

反応は、上記第1成分および第2成分を、
RNAリガーゼ、アデノシン三リン酸、MgCl2
ジチオスレイトール、牛血清アルブミンなどを含
む緩衝液に加え、25〜45℃程度の温度に20分〜数
時間保持することによりおこなわれる。
In the reaction, the first component and the second component are
RNA ligase, adenosine triphosphate, MgCl2 ,
This is done by adding a buffer solution containing dithiothreitol, bovine serum albumin, etc., and maintaining it at a temperature of about 25 to 45°C for 20 minutes to several hours.

反応後、反応物をDEAE−セフアデツクス(セ
フアデツクスは商標)のようなゲル過剤のカラ
ムに加え、カラムクロマトグラフイーをおこなう
ことにより、容易に反応物のオリゴリボヌクレオ
チドを得ることができる。
After the reaction, the reaction product can be easily obtained as an oligoribonucleotide by adding the reaction product to a gel filter column such as DEAE-Sephadex (Sephadex is a trademark) and performing column chromatography.

以上説明した本発明によれば、ジリボヌクレオ
シド5′,3′−ジフオスフエートの5′−フオスフエ
ートのヒドロキシル基をブロツク化することによ
り、収率よくオリゴリボヌクレオチドを得ること
ができる。
According to the present invention as described above, oligoribonucleotides can be obtained in good yield by blocking the hydroxyl group of the 5'-phosphate of diribonucleoside 5',3'-diphosphate.

以下、本発明を実施例に従つてさらに詳細に説
明する。
Hereinafter, the present invention will be explained in more detail with reference to Examples.

実施例 1 (1) 第1成分の調製 ジヤーナル・オブ・アメリカン・ケミカル・
ソサイアテイ第81巻4657頁記載の方法に従い、
次のようにしてCH3−pApAを調製した。
Example 1 (1) Preparation of first component Journal of American Chemical
According to the method described in Society Vol. 81, page 4657,
CH3 -pApA was prepared as follows.

pApAピリジニウム塩(ポリAを蚕のヌクレ
アーゼで部分分解したもの)6.8mgにメタノー
ル1.5ml、トリエチルアミン0.05mlおよびジシ
クロヘキシルカルボジイミドの1Mピリジン溶
液0.25mlを加え、密栓をして24〜48時間室温で
反応させた。収率86.9%でCH3−pApAを得た。
Add 1.5 ml of methanol, 0.05 ml of triethylamine, and 0.25 ml of a 1M pyridine solution of dicyclohexylcarbodiimide to 6.8 mg of pApA pyridinium salt (polyA partially decomposed with silkworm nuclease), cap tightly, and react at room temperature for 24 to 48 hours. Ta. CH3 -pApA was obtained with a yield of 86.9%.

(2) 反応 (1)で得られたCH3−pApA0.1mM、pCp0.1
mMアデノシン三リン酸0.5mM、MgCl220m
M、ジチオスレイトール3.3mM、牛血清アル
ブミン10μg/ml、50mMトリス塩酸緩衝液PH
8.1および66単位/mlT4RNAリガーゼ(T4フ
アージ感染大腸菌から調製したもの)を含む反
応液を37℃で60分間保持し、得られた反応液を
DEAEセフアデツクス(フアルマシア社製のゲ
ル過剤、セフアデツクスは商標)A25のカラ
ムに加え、0M→0.4Mの線状濃度勾配の重炭酸
アンモニウムを含むトリス塩酸緩衝液PH8.1で
溶出をおこない、0.3Mで溶出してくる画分か
ら、収率53%でCH3−pApApCpで表わされる
5′−O−ホスホリル−アデニリル(3′→5′)ア
デニリル(3′→5′)シチジル(3′)酸のメチル
エステルが得られた。
(2) CH 3 -pApA0.1mM, pCp0.1 obtained in reaction (1)
mM adenosine triphosphate 0.5mM, MgCl2 20mM
M, dithiothreitol 3.3mM, bovine serum albumin 10μg/ml, 50mM Tris-HCl buffer PH
The reaction solution containing 8.1 and 66 units/ml T4 RNA ligase (prepared from T4 phage-infected E. coli) was kept at 37°C for 60 minutes, and the resulting reaction solution was
Add to DEAE Cephadex (gelling agent manufactured by Pharmacia, Cephadec is a trademark) A25 column and elute with Tris-HCl buffer pH 8.1 containing ammonium bicarbonate with a linear concentration gradient of 0M → 0.4M. From the fraction eluted at
The methyl ester of 5'-O-phosphoryl-adenylyl (3'→5') adenylyl (3'→5') cytidyl (3') acid was obtained.

比較例 1 CH3−pApAのかわりにpApAを用いたほかは
実施例1と同様にして反応させたところ、収率は
15%であつた。
Comparative Example 1 The reaction was carried out in the same manner as in Example 1 except that pApA was used instead of CH 3 -pApA, and the yield was
It was 15%.

Claims (1)

【特許請求の範囲】[Claims] 1 アール・エヌ・エーリガーゼを触媒として用
い、ジリボヌクレオシド5′,3′−ジフオスフエー
トの5′−フオスフエートのヒドロキシル基をアル
キル基でブロツクしたものと、リボヌクレオチド
5′,3′−ジフオスフエートとを反応させることを
特徴とするオリゴリボヌクレオチドの製造法。
1 Using RN eligase as a catalyst, diribonucleoside 5',3'-diphosphate with the hydroxyl group of 5'-phosphate blocked with an alkyl group, and ribonucleotide
1. A method for producing oligoribonucleotides, which comprises reacting with 5',3'-diphosphate.
JP4709680A 1980-04-10 1980-04-10 Preparation of oligoribonucleotide Granted JPS56144095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4709680A JPS56144095A (en) 1980-04-10 1980-04-10 Preparation of oligoribonucleotide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4709680A JPS56144095A (en) 1980-04-10 1980-04-10 Preparation of oligoribonucleotide

Publications (2)

Publication Number Publication Date
JPS56144095A JPS56144095A (en) 1981-11-10
JPH0226958B2 true JPH0226958B2 (en) 1990-06-13

Family

ID=12765648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4709680A Granted JPS56144095A (en) 1980-04-10 1980-04-10 Preparation of oligoribonucleotide

Country Status (1)

Country Link
JP (1) JPS56144095A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09159926A (en) * 1995-12-14 1997-06-20 Nec Corp Wide-angle periscopic device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002626A1 (en) * 1982-02-01 1983-08-04 Innovax Lab Ltd Method for production of predetermined polyribonucleotides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
BIOCHEMISTRY=1978 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09159926A (en) * 1995-12-14 1997-06-20 Nec Corp Wide-angle periscopic device

Also Published As

Publication number Publication date
JPS56144095A (en) 1981-11-10

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