5NA7:
reference: Crystal structure of dipeptidyl peptidase III from the human gut symbiont Bacteroides thetaiotaomicron., Sabljic I, Mestrovic N, Vukelic B, Macheroux P, Gruber K, Luic M, Abramic M, PLoS One. 2017 Nov 2;12(11):e0187295. doi: 10.1371/journal.pone.0187295., eCollection 2017. PMID: 29095893

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