Abstract:Channelrhodopsins are a family of microbial rhodopsins that function as a light-gated ion channel. We report the molecular properties of a novel channelrhodopsin KnRh3 from an evolutionary important filamentous terrestrial alga Klebsormidium nitens. KnRh3 is constituted of a 7-transmembrane domain, followed by a long C-terminus moiety that encodes a peptidoglycan binding domain (FimV). When functionally expressed in mammalian cells, KnRh3 showed light-induced cation channel currents. The maximum action spectru… Show more
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