5IWQ:
reference: Structural Insights into a Novel Class of Aspartate Aminotransferase from Corynebacterium glutamicum., Son HF, Kim KJ, PLoS One. 2016 Jun 29;11(6):e0158402. doi: 10.1371/journal.pone.0158402., eCollection 2016. PMID: 27355211

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