5OR4:
reference: A new crystal form of Aspergillus oryzae catechol oxidase and evaluation of copper site structures in coupled binuclear copper enzymes., Penttinen L, Rutanen C, Saloheimo M, Kruus K, Rouvinen J, Hakulinen N, PLoS One. 2018 May 1;13(5):e0196691. doi: 10.1371/journal.pone.0196691., eCollection 2018. PMID: 29715329

This OCA Structure page
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