5TZB:
reference: Crystal structure of a beta-aminopeptidase from an Australian Burkholderia sp., John-White M, Dumsday GJ, Johanesen P, Lyras D, Drinkwater N, McGowan S, Acta Crystallogr F Struct Biol Commun. 2017 Jul 1;73(Pt 7):386-392. doi:, 10.1107/S2053230X17007737. Epub 2017 Jun 17. PMID: 28695846

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