Engineering of Specific Single-Module Nonribosomal Peptide Synthetases of the RXP Type for the Production of Defined Peptides.

Engineering of Specific Single-Module Nonribosomal Peptide Synthetases of the RXP Type for the Production of Defined Peptides.
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RXP类型的特定单模块非核糖体肽合成酶的工程,用于生产定义的肽。

DOI:
10.1021/acssynbio.2c00472
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发表时间:
2023-01-20
影响因子:
4.7
通讯作者:
Bode, Helge B.
Bode, Helge B.
中科院分区:
生物学2区
文献类型:
--
作者:
Cai, Xiaofeng;Zhao, Lei;Bode, Helge B.

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杆状肽/类杆状肽(RXP)非核糖体肽合成酶(NRPS)是由昆虫致病性杆状菌和发光杆状菌的非核糖体肽合成酶(NRPS)组成的多肽库,其氨基酸组成、数量和甲基化程度各不相同,这主要是由混杂的对接结构域(DDs)介导的NRPS亚基之间的蛋白质-蛋白质相互作用的结果。在这项研究中,我们提出了两个特定的RXP-NRPS系统,而特定的DD被用作平台,以产生一系列定义的RXPs通过交换腺苷酸化/甲基转移酶(A-MT)结构域的系统,然后在大肠杆菌中异源表达。此外,这些结果表明,NRPS亚基的相互作用不仅完全依赖于DD,但至少部分也对A结构域。
Rhabdopeptide/xenortide-like peptide (RXP) nonribosomal peptide synthetases (NRPSs) derived from entomophathogenic Xenorhabdus and Photorhabdus bacteria often produce libraries of different peptides varying in amino acid composition, number and degree of methylation, which mainly is a result of promiscuous docking domains (DDs) mediating protein–protein interactions between the different NRPS subunits. In this study, we present two specific RXP-NRPS systems with rather specific DDs that were used as platforms to generate a series of defined RXPs via the exchange of adenylation/methyltransferase (A-MT) domains in the systems followed by heterologous expression in Escherichia coli. Additionally, these results suggest that NRPS subunit interaction is not only exclusively dependent on DDs but at least partially also on A domains.
DOI: 10.1016/j.chembiol.2006.10.011
发表时间: 2007-01
影响因子: --
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