Article
Structural basis for the gating mechanism of the type 2 ryanodine receptor RyR2.
Science (New York, N.Y.) - 21 Oct 2016
Peng Wei, Shen Huaizong, Wu Jianping, Guo Wenting, Pan Xiaojing, Wang Ruiwu, Chen S R Wayne, Yan Nieng
Abstract excerpt
RyR2 is a high-conductance intracellular calcium (Ca2+) channel that controls the release of Ca2+ from the sarco(endo)plasmic reticulum of a variety of cells. Here, we report the structures of RyR2 from porcine heart in both the open and closed states at near-atomic resolutions determined using single-particle electron cryomicroscopy. Structural comparison reveals a breathing motion of the overall cytoplasmic...
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