Article
Neutralisation of a single voltage sensor affects gating determinants in all four pore-forming S6 segments of Ca(V)1.2: a cooperative gating model.
Pflugers Archiv : European journal of physiology - 1 Oct 2012
Beyl Stanislav, Depil Katrin, Hohaus Annette, Stary-Weinzinger Anna, Linder Tobias, Timin Eugen, Hering Steffen
Abstract excerpt
Voltage sensors trigger the closed-open transitions in the pore of voltage-gated ion channels. To probe the transmission of voltage sensor signalling to the channel pore of Ca(V)1.2, we investigated how elimination of positive charges in the S4 segments (charged residues were replaced by neutral glutamine) modulates gating perturbations induced by mutations in pore-lining S6 segments. Neutralisation of all...
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