5MPQ:
reference: Bulgecin A: The Key to a Broad-Spectrum Inhibitor That Targets Lytic Transglycosylases., Williams AH, Wheeler R, Thiriau C, Haouz A, Taha MK, Boneca IG, Antibiotics (Basel). 2017 Feb 22;6(1). pii: E8. doi: 10.3390/antibiotics6010008. PMID: 28241458

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