Canonical TRP channels (TRPCs) are a particularly enigmatic family of signaling molecules with multimodal sensing features, being involved in a wide range of biological functions. Until very recently, the main hurdle towards comprehensive mechanistic understanding of TRPC signaling has been the lack of structural information. This has changed early this year by several reports on TRPC architectures resolved by single particle cryo-EM analysis. These studies confirmed recently elaborated concepts on TRPC structure-function relations, and unveiled unanticipated features and complexity in the TRPC sensing machinery.
Keywords: Cryo-EM; Gating machinery; Molecular architecture; TRPC channels.
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