6EOM:
reference: The first dipeptidyl peptidase III from a thermophile: Structural basis for thermal stability and reduced activity., Sabljic I, Tomin M, Matovina M, Sucec I, Tomasic Paic A, Tomic A, Abramic M, Tomic S, PLoS One. 2018 Feb 8;13(2):e0192488. doi: 10.1371/journal.pone.0192488., eCollection 2018. PMID: 29420664

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