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. Author manuscript; available in PMC: 2015 May 1.
Published in final edited form as: Biochim Biophys Acta. 2013 Jul 3;1837(5):546–552. doi: 10.1016/j.bbabio.2013.06.006

Figure 1. Microbial rhodopsin conformers.

Figure 1

The figure depicts light-induced conformer transitions in the indicated microbial rhodopsins in their native functional state. BR, bacteriorhodopsin; HR, halorhodopsin; SRI, sensory rhodopsin I; SRII, sensory rhodopsin II; ChR, channelrhodopsin. E (green), conformer with externally-connected Schiff base and exterior half-channelopen; C (red), conformer with cytoplasmically-connected Schiff base and cytoplasmic half-channel open; C/E (purple), conformer with an open channel from the extracellular to cytoplasmic surfaces of the protein.