3PMO:
reference: The structure of LpxD from Pseudomonas aeruginosa at 1.3 A resolution., Badger J, Chie-Leon B, Logan C, Sridhar V, Sankaran B, Zwart PH, Nienaber V, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Jul 1;67(Pt 7):749-52., Epub 2011 Jun 23. PMID: 21795786

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