| 2HWL: reference: Crystal structure of thrombin in complex with fibrinogen gamma' peptide., Pineda AO, Chen ZW, Marino F, Mathews FS, Mosesson MW, Di Cera E, Biophys Chem. 2006 Aug 23;. PMID: 16962697 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).