期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 431, 期 3, 页码 388-392出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2013.01.042
关键词
Sec translocation; Electrophysiology; Protein translocation; SecYEG; SecA
资金
- Georgia Research Alliance
- Chinese National Basic Research program [2010CB833706, 2011CB910500]
Previous work showed that SecA alone can promote protein translocation and ion-channel activity in liposomes, and that SecYEG increases efficiency as well as signal peptide specificity. We now report that SecDF.YajC further increases translocation and ion-channel activity. These activities of reconstituted SecA-SecYEG-SecDF.YajC-liposome are almost the same as those of native membranes, indicating the transformation of reconstituted functional high-affinity protein-conducting channels from the low-affinity SecA-channels. Published by Elsevier Inc.
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