KR940014805A - Novel aminopeptidase and isolation method thereof - Google Patents

Novel aminopeptidase and isolation method thereof Download PDF

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Publication number
KR940014805A
KR940014805A KR1019920025909A KR920025909A KR940014805A KR 940014805 A KR940014805 A KR 940014805A KR 1019920025909 A KR1019920025909 A KR 1019920025909A KR 920025909 A KR920025909 A KR 920025909A KR 940014805 A KR940014805 A KR 940014805A
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KR
South Korea
Prior art keywords
aminopeptidase
solution
kccm
ifo
subspecies
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KR1019920025909A
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Korean (ko)
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박순재
권순창
원특연
이승주
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최근선
주식회사 럭 키
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Priority to KR1019920025909A priority Critical patent/KR940014805A/en
Publication of KR940014805A publication Critical patent/KR940014805A/en

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Abstract

본 발명은 스트랩토 그리세우스 아종 IFO 13689, KCCM 12400의 배양액으로부터 분리된 신규한 아미노펩티다제와 그를 분리하는 방법을 제공하는 것이다.The present invention provides a novel aminopeptidase isolated from a culture solution of the Streptogris subspecies IFO 13689, KCCM 12400 and a method for separating the same.

Description

신규한 아미노펩티다제 및 그의 분리방법Novel aminopeptidase and isolation method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 QAE-세파덱스 수지로부터 아미노펩티다제가 용출되는 과정을 나타낸 것이고;1 shows the process of eluting aminopeptidase from QAE-Sepadex resin;

제2도는 S-세파로즈 수지로부터 아미노펩티다제가 용출되는 과정을 나타낸 것이고;2 shows the process of eluting aminopeptidase from S-sepharose resin;

제3도는 100mM 트리스 (pH8.0)완충용액하에서 NaCl 농도 변화에 따른 활성도 변화를 나타낸 것이다.FIG. 3 shows the change in activity according to the change of NaCl concentration in 100 mM Tris (pH 8.0) buffer solution.

Claims (4)

스트랩토미세스 그리세우스 아종 IFO 13689 KCCM 12400의 배양액으로부터 분리된 아미노펩티다제.Aminopeptidase isolated from the culture of Streptomyces glyeus subspecies IFO 13689 KCCM 12400. 제1항에 있어서, N-말단서열이 Ala-Pro-Asp-Ile-Pro-Val-Ser으로 시작되는 아미노펩티다제.The aminopeptidase of claim 1, wherein the N-terminal sequence begins with Ala-Pro-Asp-Ile-Pro-Val-Ser. 제1항에 있어서, 분자량이 약 33내지 35kd 범위이고 등전점(pI)이 8.15 내지 8.75범위에 드는 아미노펩티다제.The aminopeptidase of claim 1, wherein the molecular weight is in the range of about 33 to 35 kd and the isoelectric point (pI) is in the range of 8.15 to 8.75. (가)스트랩토미세스 그리세우스 아종 IFO 13689 또는 KCCM 12400의 배양액을 원심분리하여 얻어진 상등액을 농축한 다음; (나)상기 (가) 단계에서 얻어진 농축액에 암모니움 설페이트 및 3급 부탄올을 처리한후 생성된 하층의 맑은 용액을 회수하고; (다)상기 (나) 단계에서 얻어진 용액을 열처리 한 다음 생성된 침전물을 제거하고; (라)상가(다) 단계에 얻어진 용액을 투석한 후 음이온 교환 크로마토그래피하여 활성을 나타내는 분획들을 수집하고; (마)상기 (라)단계에서 수집한 단백질 용액을 다시 투식한 후 양이온 교환 크로마토그래피하여 활성을 나타내는 분획들을 수집하는 단계를 포함하는 아미노펩티다제의 분리방법.(A) concentrating the supernatant obtained by centrifuging the culture solution of Stratumomyces gliseus subspecies IFO 13689 or KCCM 12400; (B) recovering the clear solution of the resulting lower layer after treatment with ammonium sulfate and tert-butanol in the concentrate obtained in step (a); (C) heat-treating the solution obtained in step (b) and then removing the resulting precipitate; Dialysis of the solution obtained in step (d) and then anion exchange chromatography to collect fractions showing activity; (E) separation method of the aminopeptidase comprising the step of collecting again the protein solution collected in the step (d) and the activity by cation exchange chromatography. ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR1019920025909A 1992-12-28 1992-12-28 Novel aminopeptidase and isolation method thereof KR940014805A (en)

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KR1019920025909A KR940014805A (en) 1992-12-28 1992-12-28 Novel aminopeptidase and isolation method thereof

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KR1019920025909A KR940014805A (en) 1992-12-28 1992-12-28 Novel aminopeptidase and isolation method thereof

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KR940014805A true KR940014805A (en) 1994-07-19

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