3D92:
reference: Entrapment of carbon dioxide in the active site of carbonic anhydrase II., Domsic JF, Avvaru BS, Kim CU, Gruner SM, Agbandje-McKenna M, Silverman DN, McKenna R, J Biol Chem. 2008 Nov 7;283(45):30766-71. Epub 2008 Sep 2. PMID: 18768466

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