1YO2: Proton Transfer From His200 In Human Carbonic Anhydrase II
reference: Proton transfer in a Thr200His mutant of human carbonic anhydrase II., Bhatt D, Tu C, Fisher SZ, Hernandez Prada JA, McKenna R, Silverman DN, Proteins 2005 Aug 16;61(2):239-245. PMID: 16106378

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