6AMG:
reference: The Eponymous Cofactors in Cytochrome P460s from Ammonia-Oxidizing Bacteria Are Iron Porphyrinoids Whose Macrocycles Are Dibasic., Smith MA, Lancaster KM, Biochemistry. 2017 Dec 6. doi: 10.1021/acs.biochem.7b00921. PMID: 29211462

This OCA Structure page
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