6LE0:
reference: Nonspecific Heme-Binding Cyclase, AbmU, Catalyzes [4 + 2] Cycloaddition during Neoabyssomicin Biosynthesis., Li Q, Ding W, Tu J, Chi C, Huang H, Ji X, Yao Z, Ma M, Ju J, ACS Omega. 2020 Aug 6;5(32):20548-20557. doi: 10.1021/acsomega.0c02776., eCollection 2020 Aug 18. PMID: 32832808

This OCA Structure page
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