6XYT:
reference: Molecular mechanism of light-driven sodium pumping., Kovalev K, Astashkin R, Gushchin I, Orekhov P, Volkov D, Zinovev E, Marin E, Rulev M, Alekseev A, Royant A, Carpentier P, Vaganova S, Zabelskii D, Baeken C, Sergeev I, Balandin T, Bourenkov G, Carpena X, Boer R, Maliar N, Borshchevskiy V, Buldt G, Bamberg E, Gordeliy V, Nat Commun. 2020 May 1;11(1):2137. doi: 10.1038/s41467-020-16032-y. PMID: 32358514

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