Article
Coupling sensor to enzyme in the voltage sensing phosphatase.
Nature communications - 30 Jul 2024
Yu Yawei, Zhang Lin, Li Baobin, Fu Zhu, Brohawn Stephen G, Isacoff Ehud Y
Abstract excerpt
Voltage-sensing phosphatases (VSPs) dephosphorylate phosphoinositide (PIP) signaling lipids in response to membrane depolarization. VSPs possess an S4-containing voltage sensor domain (VSD), resembling that of voltage-gated cation channels, and a lipid phosphatase domain (PD). The mechanism by which voltage turns on enzyme activity is unclear. Structural analysis and modeling suggest several sites of VSD-PD...
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