5EJD:
reference: Structural basis of nonribosomal peptide macrocyclization in fungi., Zhang J, Liu N, Cacho RA, Gong Z, Liu Z, Qin W, Tang C, Tang Y, Zhou J, Nat Chem Biol. 2016 Dec;12(12):1001-1003. doi: 10.1038/nchembio.2202. Epub 2016, Oct 17. PMID: 27748753

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