4I2R:
reference: Crystallographic and spectroscopic snapshots reveal a dehydrogenase in action., Huo L, Davis I, Liu F, Andi B, Esaki S, Iwaki H, Hasegawa Y, Orville AM, Liu A, Nat Commun. 2015 Jan 7;6:5935. doi: 10.1038/ncomms6935. PMID: 25565451

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