希瓦氏菌 decaheme 细胞色素 MtrA 参与β-桶状蛋白 MtrB 的周质稳定性。
Involvement of the Shewanella oneidensis decaheme cytochrome MtrA in the periplasmic stability of the beta-barrel protein MtrB.
机构信息
Universität Freiburg, Institut Biologie II, Mikrobiologie, Schänzlestr. 1, D-79104 Freiburg, Germany.
出版信息
Appl Environ Microbiol. 2011 Feb;77(4):1520-3. doi: 10.1128/AEM.01201-10. Epub 2010 Dec 17.
Abstract
The Shewanella oneidensis outer membrane β-barrel protein MtrB is part of a membrane-spanning protein complex (MtrABC) which is necessary for dissimilatory iron reduction. Quantitative PCR, heterologous gene expression, and mutant studies indicated that MtrA is required for periplasmic stability of MtrB. DegP depletion compensated for this MtrA dependence.
摘要
希瓦氏菌属的外膜 β-桶蛋白 MtrB 是跨膜蛋白复合物 (MtrABC) 的一部分，该复合物对于异化铁还原是必需的。定量 PCR、异源基因表达和突变研究表明，MtrA 是 MtrB 周质稳定性所必需的。DegP 的耗尽补偿了这种对 MtrA 的依赖性。
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