2ABE:
reference: Carbonic anhydrase activators: X-ray crystal structure of the adduct of human isozyme II with l-histidine as a platform for the design of stronger activators., Temperini C, Scozzafava A, Puccetti L, Supuran CT, Bioorg Med Chem Lett 2005 Dec 1;15(23):5136-41. Epub 2005 Oct 7. PMID: 16214338

This OCA Structure page
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