1IRM:
reference: Crystal structure of rat apo-heme oxygenase-1 (HO-1): mechanism of heme binding in HO-1 inferred from structural comparison of the apo and heme complex forms., Sugishima M, Sakamoto H, Kakuta Y, Omata Y, Hayashi S, Noguchi M, Fukuyama K, Biochemistry 2002 Jun 11;41(23):7293-300. PMID: 12044160

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