Article
Nascent chain-monitored remodeling of the Sec machinery for salinity adaptation of marine bacteria.
Proceedings of the National Academy of Sciences of the United States of America - 6 Oct 2015
Ishii Eiji, Chiba Shinobu, Hashimoto Narimasa, Kojima Seiji, Homma Michio, Ito Koreaki, Akiyama Yoshinori, Mori Hiroyuki
Abstract excerpt
SecDF interacts with the SecYEG translocon in bacteria and enhances protein export in a proton-motive-force-dependent manner. Vibrio alginolyticus, a marine-estuarine bacterium, contains two SecDF paralogs, V.SecDF1 and V.SecDF2. Here, we show that the export-enhancing function of V.SecDF1 requires Na+ instead of H+, whereas V.SecDF2 is Na+-independent, presumably requiring H+. In accord with the...
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