Lipid-protein forces predict conformational changes in a mechanosensitive channel.
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ABSTRACT: The mechanosensitive TREK-2 potassium channel, a member of the K2P family, has essential physiological roles and is, therefore, a pharmaceutical target. A combination of experimental and computational studies have established that of the two known conformations, "up" and "down", membrane tension directly favors the "up" state, which displays a higher conductance. However, these studies did not reveal the exact mechanism by which the membrane affects the channel conformation. In this work, we show that changes in protein-lipid interaction patterns suffice in predicting this conformational change, and pinpoint potentially important residues involved in this phenomenon.
SUBMITTER: Daday C
PROVIDER: S-EPMC8071793 | biostudies-literature |
REPOSITORIES: biostudies-literature
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