4ADC:
reference: Determination of the Structure of the Catabolic N-Succinylornithine Transaminase (AstC) from Escherichia coli., Newman J, Seabrook S, Surjadi R, Williams CC, Lucent D, Wilding M, Scott C, Peat TS, PLoS One. 2013;8(3):e58298. doi: 10.1371/journal.pone.0058298. Epub 2013 Mar 6. PMID: 23484010

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