1FAX:
reference: X-ray structure of active site-inhibited clotting factor Xa. Implications for drug design and substrate recognition., Brandstetter H, Kuhne A, Bode W, Huber R, von der Saal W, Wirthensohn K, Engh RA, J Biol Chem 1996 Nov 22;271(47):29988-92. PMID: 8939944

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