1XIO: Anabaena Sensory Rhodopsin
reference: Anabaena sensory rhodopsin: a photochromic color sensor at 2.0 A., Vogeley L, Sineshchekov OA, Trivedi VD, Sasaki J, Spudich JL, Luecke H, Science 2004 Nov 19;306(5700):1390-3. Epub 2004 Sep 30. PMID: 15459346

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