6HQW:
reference: The Extreme Structural Plasticity in the CYP153 Subfamily of P450s Directs Development of Designer Hydroxylases., Fiorentini F, Hatzl AM, Schmidt S, Savino S, Glieder A, Mattevi A, Biochemistry. 2018 Nov 16. doi: 10.1021/acs.biochem.8b01052. PMID: 30398864

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