5NCH:
reference: Biosynthesis of methyl-proline containing griselimycins, natural products with anti-tuberculosis activity., Lukat P, Katsuyama Y, Wenzel S, Binz T, Konig C, Blankenfeldt W, Bronstrup M, Muller R, Chem Sci. 2017 Nov 1;8(11):7521-7527. doi: 10.1039/c7sc02622f. Epub 2017 Aug 3. PMID: 29163906

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