| 1QL9: reference: Reconstructing the binding site of factor Xa in trypsin reveals ligand-induced structural plasticity., Reyda S, Sohn C, Klebe G, Rall K, Ullmann D, Jakubke HD, Stubbs MT, J Mol Biol. 2003 Jan 31;325(5):963-77. PMID: 12527302 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).