5NIW:
reference: Shuffling Active Site Substate Populations Affects Catalytic Activity: The Case of Glucose Oxidase., Petrovic D, Frank D, Kamerlin SCL, Hoffmann K, Strodel B, ACS Catal. 2017 Sep 1;7(9):6188-6197. doi: 10.1021/acscatal.7b01575. Epub 2017, Aug 1. PMID: 29291138

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