7BVP:
reference: Aldehyde-alcohol dehydrogenase undergoes structural transition to form extended spirosomes for substrate channeling., Kim G, Yang J, Jang J, Choi JS, Roe AJ, Byron O, Seok C, Song JJ, Commun Biol. 2020 Jun 10;3(1):298. doi: 10.1038/s42003-020-1030-1. PMID: 32523125

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