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2
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本文引用的文献

1
Reprogramming a module of the 6-deoxyerythronolide B synthase for iterative chain elongation.重新编程 6-脱氧赤藓醇 B 合酶的一个模块以进行迭代链伸长。
Proc Natl Acad Sci U S A. 2012 Mar 13;109(11):4110-5. doi: 10.1073/pnas.1118734109. Epub 2012 Feb 27.
2
Probing the interactions of an acyl carrier protein domain from the 6-deoxyerythronolide B synthase.探究 6-脱氧红霉内酯 B 合酶酰基载体蛋白结构域的相互作用。
Protein Sci. 2011 Jul;20(7):1244-55. doi: 10.1002/pro.652.
3
Molecular recognition between ketosynthase and acyl carrier protein domains of the 6-deoxyerythronolide B synthase.酮基合成酶与 6-脱氧赤藓醇 B 合酶酰基载体蛋白结构域之间的分子识别。
Proc Natl Acad Sci U S A. 2010 Dec 21;107(51):22066-71. doi: 10.1073/pnas.1014081107. Epub 2010 Dec 2.
4
Programming of erythromycin biosynthesis by a modular polyketide synthase.模块化聚酮合酶对红霉素生物合成的编程
J Biol Chem. 2010 Sep 3;285(36):27517-23. doi: 10.1074/jbc.R110.144618. Epub 2010 Jun 3.
5
The biosynthetic logic of polyketide diversity.聚酮化合物多样性的生物合成逻辑。
Angew Chem Int Ed Engl. 2009;48(26):4688-716. doi: 10.1002/anie.200806121.
6
Evolution of polyketide synthases in bacteria.细菌中聚酮合酶的进化
Proc Natl Acad Sci U S A. 2008 Mar 25;105(12):4595-600. doi: 10.1073/pnas.0710107105. Epub 2008 Feb 4.
7
Structural and mechanistic analysis of protein interactions in module 3 of the 6-deoxyerythronolide B synthase.6-脱氧红霉内酯B合酶模块3中蛋白质相互作用的结构与机制分析
Chem Biol. 2007 Aug;14(8):931-43. doi: 10.1016/j.chembiol.2007.07.012.
8
Structure-based dissociation of a type I polyketide synthase module.基于结构的I型聚酮合酶模块解离
Chem Biol. 2007 Jul;14(7):784-92. doi: 10.1016/j.chembiol.2007.05.015.
9
Structure and mechanism of the 6-deoxyerythronolide B synthase.6-脱氧红霉内酯B合酶的结构与机制
Annu Rev Biochem. 2007;76:195-221. doi: 10.1146/annurev.biochem.76.053105.093515.
10
Natural biocombinatorics in the polyketide synthase genes of the actinobacterium Streptomyces avermitilis.阿维链霉菌放线菌聚酮合酶基因中的天然生物组合学
PLoS Comput Biol. 2006 Oct 6;2(10):e132. doi: 10.1371/journal.pcbi.0020132. Epub 2006 Aug 21.

多模块聚酮合酶酮基合酶和酰基转移酶结构域之间连接区保守精氨酸残基的作用。

Role of a conserved arginine residue in linkers between the ketosynthase and acyltransferase domains of multimodular polyketide synthases.

机构信息

Department of Chemistry, Stanford University, Stanford, California 94305, USA.

出版信息

Biochemistry. 2012 May 8;51(18):3708-10. doi: 10.1021/bi300399u. Epub 2012 Apr 24.

DOI:10.1021/bi300399u
PMID:22509729
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3348408/
Abstract

The role of interdomain linkers in modular polyketide synthases is poorly understood. Analysis of the 6-deoxyerythronolide B synthase (DEBS) has yielded a model in which chain elongation is governed by interactions between the acyl carrier protein domain and the ketosynthase domain plus an adjacent linker. Alanine scanning mutagenesis of the conserved residues of this linker in DEBS module 3 led to the identification of the R513A mutant with a markedly reduced rate of chain elongation. Limited proteolysis supported a structural role for this Arg. Our findings highlight the importance of domain-linker interactions in assembly line polyketide biosynthesis.

摘要

域间连接物在模块化聚酮合酶中的作用还不太清楚。对 6-脱氧红霉内酯 B 合酶（DEBS）的分析得出了这样一个模型，即链延伸是由酰基载体蛋白结构域与酮合酶结构域和相邻的连接物之间的相互作用来控制的。对 DEBS 模块 3 中这个连接物的保守残基进行丙氨酸扫描诱变，导致鉴定出具有明显降低的链延伸速率的 R513A 突变体。有限的蛋白水解支持这个精氨酸的结构作用。我们的发现强调了在装配线聚酮生物合成中，结构域-连接物相互作用的重要性。