5JPR:
reference: Direct visualization of a Fe(IV)-OH intermediate in a heme enzyme., Kwon H, Basran J, Casadei CM, Fielding AJ, Schrader TE, Ostermann A, Devos JM, Aller P, Blakeley MP, Moody PC, Raven EL, Nat Commun. 2016 Nov 29;7:13445. doi: 10.1038/ncomms13445. PMID: 27897163

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