4V0T:
reference: Dimerization-Induced Allosteric Changes of the Oxyanion-Hole Loop Activate the Pseudorabies Virus Assemblin pUL26N, a Herpesvirus Serine Protease., Zuhlsdorf M, Werten S, Klupp BG, Palm GJ, Mettenleiter TC, Hinrichs W, PLoS Pathog. 2015 Jul 10;11(7):e1005045. doi: 10.1371/journal.ppat.1005045., eCollection 2015 Jul. PMID: 26161660

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