2II8:
reference: Crystal structure of the anabaena sensory rhodopsin transducer., Vogeley L, Trivedi VD, Sineshchekov OA, Spudich EN, Spudich JL, Luecke H, J Mol Biol. 2007 Mar 30;367(3):741-51. Epub 2006 Dec 1. PMID: 17289074

This OCA Structure page
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