6IEN:
reference: Structural studies on M. tuberculosis argininosuccinate lyase and its liganded complex: Insights into catalytic mechanism., Paul A, Mishra A, Surolia A, Vijayan M, IUBMB Life. 2019 Jan 7. doi: 10.1002/iub.2000. PMID: 30615268

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