6SU3:
reference: High-resolution structural insights into the heliorhodopsin family., Kovalev K, Volkov D, Astashkin R, Alekseev A, Gushchin I, Haro-Moreno JM, Chizhov I, Siletsky S, Mamedov M, Rogachev A, Balandin T, Borshchevskiy V, Popov A, Bourenkov G, Bamberg E, Rodriguez-Valera F, Buldt G, Gordeliy V, Proc Natl Acad Sci U S A. 2020 Feb 7. pii: 1915888117. doi:, 10.1073/pnas.1915888117. PMID: 32034096

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