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KR980002268A - A maltogenic amylase gene, a recombinant molecule containing it, a transformant having the same, and an enzyme produced therefrom - Google Patents

A maltogenic amylase gene, a recombinant molecule containing it, a transformant having the same, and an enzyme produced therefrom Download PDF

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Publication number
KR980002268A
KR980002268A KR1019960025135A KR19960025135A KR980002268A KR 980002268 A KR980002268 A KR 980002268A KR 1019960025135 A KR1019960025135 A KR 1019960025135A KR 19960025135 A KR19960025135 A KR 19960025135A KR 980002268 A KR980002268 A KR 980002268A
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maltose
gene
transformant
decomposes
recombinant molecule
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KR100186716B1 (en
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차현주
윤현근
이희섭
김정완
오병하
이인원
권기성
박관화
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14Hydrolases (3)
    • C12N9/24Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
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    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/12Disaccharides

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Abstract

본 발명은 Bacillus Stearothermophilus KCTC1044BP로부터 분리한 말토오스생성 아밀라제 유전자로, 제1도에 표시된 바와 같은 유전자 지도를 가지며, 10% SDS-PAGE로 측정한 분자량이 약 62000 Dalton이고, 아이소일렉트릭 포커싱 (isoelectric focusing: IEF)에 의해 측정한 등전점이 약 4.0이고, 상기 유전자에 의해 생성된 말토오스생성 아밀라제는 플루란에 작용하여 주로 판노오스를 생성하고, 전분을 분해하여 주로 말토오스를 생성하며, β-사이클로덱스트린을 분해하는, 말토오스생성 아밀라제 유전자에 관한 것이다. 또한 본 발명은 상기 유전자를 포함하는 재조합 분자, 그것을 가지는 형질전환체 및 그것으로부터 생산되는 효소에 관한 것이다.The present invention relates to a maltose-producing amylase gene isolated from Bacillus stearothermophilus KCTC1044BP, which has a genetic map as shown in FIG. 1 and has a molecular weight of about 62000 Dalton as measured by 10% SDS-PAGE and isoelectric focusing (IEF ), The maltose-producing amylase produced by this gene acts on fluoran to produce mainly pannocose, decomposes starch to mainly produce maltose, and decomposes? -Cyclodextrin , And a maltogenic amylase gene. The present invention also relates to a recombinant molecule comprising said gene, a transformant having said recombinant molecule, and an enzyme produced therefrom.

Description

말토오스 생성 아밀라제 유전자, 그것을 포함하는 재조합 분자, 그것을 가지는 형질전환체 및 그것으로부터 생산되는 효소A maltogenic amylase gene, a recombinant molecule containing it, a transformant having the same, and an enzyme produced therefrom

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 말토오스생성 아밀라제의 유전자 제한지도이다.Figure 1 is a gene restriction map of the maltose-producing amylase of the present invention.

제2도는 본 발명의 말토오스생성 아밀라제의 분자량 전기영동 사진이다.FIG. 2 is a molecular weight electrophoresis photograph of the maltose-producing amylase of the present invention.

제4도는 β-사이클로덱스트린을 기질로 하였을 때 본 발명의 말토오스생성 아밀라제의 온도 특성곡선이다.FIG. 4 is a temperature characteristic curve of the maltose-producing amylase of the present invention when β-cyclodextrin is used as a substrate.

제6도는 풀루란, 전분, β-사이클로덱스트린에 대한, 본 발명 말토오스생성 아밀라제의 시간별 작용형태를 보여주는 박충크로마토그래피이다.FIG. 6 is a buccal chromatogram showing the time course of the maltogenic amylase of the present invention against pullulan, starch, β-cyclodextrin.

Claims (3)

Bacillus Stearothermophilus KCTC1044BP로부터 분리한 말토오스생성 아밀라제 유전자로, 제1도에 표시된 바와 같은 유전자 지도를 가지며, 상기 유전자에 의해 생성된 말토오스생성 아밀라제가 10% SDS-PAGE로 측정한 분자량이 약 62000 Dalton이고, 아이소일렉트릭 포커싱 (isoelectric focusing: IEF)에 의해 측정한 등전점이 약 4.0이고, 풀루란에 작용하여 주로 판노오스를 생성하고, 전분을 분해하여 주로 말토오스를 생성하며, β-사이클로덱스트린을 분해하는 말토오스생성 아밀라제 유전자.The maltose-producing amylase gene isolated from Bacillus stearothermophilus KCTC1044BP has a genetic map as shown in Fig. 1, and the maltose-producing amylase produced by the gene has a molecular weight of about 62000 Dalton as measured by 10% SDS-PAGE, The isoelectric point measured by isoelectric focusing (IEF) is about 4.0, the maltose-producing amylase which mainly acts on pullulan to generate pannocose, decomposes starch to mainly produce maltose, and decomposes? -Cyclodextrin gene. 제1항의 유전자를 포함하는 KFCC-10896인 형질전환체.A transformant which is KFCC-10896 comprising the gene of claim 1. KFCC-10896가 생산하며, 10% SDS-PAGE로 측정한 분자량이 약 62000 Dalton이고, 아이소일렉트릭 포커싱 (isoelectric focusing: IEF)에 의해 측정한 등전점이 약 4.0이고, 풀루란에 작용하여 주로 판노오스를 생성하고, 전분을 분해하여 주로 말토오스를 생성하며, β-사이클로덱스트린을 분해하는 말토오스생성 아밀라제.Produced by KFCC-10896, has a molecular weight of about 62000 Dalton as measured by 10% SDS-PAGE, an isoelectric point measured by isoelectric focusing (IEF) of about 4.0, Maltose-producing amylase, which decomposes starch to generate maltose mainly and decomposes? -Cyclodextrin. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960025135A 1996-06-28 1996-06-28 Maltose-producing amylases, recombinant vectors comprising the genes encoding them and transformants thereof Expired - Fee Related KR100186716B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100625100B1 (en) * 2002-07-15 2006-09-19 주식회사 제노포커스 Method for producing maltopentaose producing amylase and maltopentaose
KR20170040634A (en) 2015-10-05 2017-04-13 한림대학교 산학협력단 Method for production of maltose with novel enzyme

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109486791B (en) * 2018-11-22 2020-11-03 湖南汇升生物科技有限公司 Preparation and application of maltogenic amylase mutant
CN109370973B (en) * 2018-11-22 2020-12-29 湖南汇升生物科技有限公司 Maltogenic amylase producing strain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100625100B1 (en) * 2002-07-15 2006-09-19 주식회사 제노포커스 Method for producing maltopentaose producing amylase and maltopentaose
KR20170040634A (en) 2015-10-05 2017-04-13 한림대학교 산학협력단 Method for production of maltose with novel enzyme

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