5N82:
reference: Nonribosomal biosynthesis of backbone-modified peptides., Niquille DL, Hansen DA, Mori T, Fercher D, Kries H, Hilvert D, Nat Chem. 2018 Mar;10(3):282-287. doi: 10.1038/nchem.2891. Epub 2017 Nov 20. PMID: 29461527

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).