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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Propeptin, a New Inhibitor of Prolyl Endopeptidase Produced by Microbispora II. Determination of Chemical Structure
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Propeptin, a New Inhibitor of Prolyl Endopeptidase Produced by Microbispora II. Determination of Chemical Structure

机译:Propeptin,一种由微双孢菌II产生的脯氨酰内肽酶的新抑制剂。化学结构的确定

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摘要

The structure of propeptin, a new inhibitor of proly endopeptidase isolated from Microbispora sp. SNA-115 , was determined.FAB/MS. Edman degradation and amino acid analysis revealed propeptin to be a cyclin polypeptide consisting of 19 common L-amino acids.By FAB/MS and protein chemical methods , the primary sequence of propeptin was determined to be Gly~1-Tyr-Pro-Trp-Asp-Arg-Asp~9-Leu-Phe-Gly-Gly-His-Thr-Phe-Ile-Ser-Pro~(19), which cyclizes between the #beta#-carboxyl group of Asp~9 and the #alpha#-amino group of Gly~1
机译:Proeptin的结构,Proepteptin是一种从Microbispora sp。中分离出来的新型内肽酶抑制剂。测定了SNA-115。FAB/ MS。埃德曼(Edman)降解和氨基酸分析表明,前肽素是一种由19种常见L-氨基酸组成的细胞周期素多肽。通过FAB / MS和蛋白质化学方法,确定前肽的主要序列为Gly〜1-Tyr-Pro-Trp-。 Asp-Arg-Asp〜9-Leu-Phe-Gly-Gly-His-Thr-Phe-Ile-Ser-Pro〜(19),可在Asp〜9的#beta#-羧基与#alpha之间循环Gly〜1的#-氨基

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