4KF0:
reference: Key Mutations Alter the Cytochrome P450 BM3 Conformational Landscape and Remove Inherent Substrate Bias., Butler CF, Peet C, Mason AE, Voice MW, Leys D, Munro AW, J Biol Chem. 2013 Aug 30;288(35):25387-99. doi: 10.1074/jbc.M113.479717. Epub, 2013 Jul 3. PMID: 23828198

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