6BQC:
reference: Structural and Functional Analysis of E. coli Cyclopropane Fatty Acid Synthase., Hari SB, Grant RA, Sauer RT, Structure. 2018 Jul 4. pii: S0969-2126(18)30214-4. doi:, 10.1016/j.str.2018.06.008. PMID: 30057024

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