2ZWT:
reference: Substrate binding induces structural changes in cytochrome P450cam., Sakurai K, Shimada H, Hayashi T, Tsukihara T, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2009 Feb 1;65(Pt, 2):80-3. Epub 2009 Jan 31. PMID: 19193991

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