2AW1:
reference: Carbonic anhydrase inhibitors: Valdecoxib binds to a different active site region of the human isoform II as compared to the structurally related cyclooxygenase II "selective" inhibitor celecoxib., Di Fiore A, Pedone C, D'Ambrosio K, Scozzafava A, De Simone G, Supuran CT, Bioorg Med Chem Lett. 2006 Jan 15;16(2):437-42. Epub 2005 Nov 14. PMID: 16290146

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