| 3SQH: reference: Crystal Structures of Prethrombin-2 Reveal Alternative Conformations under Identical Solution Conditions and the Mechanism of Zymogen Activation., Pozzi N, Chen Z, Zapata F, Pelc LA, Barranco-Medina S, Di Cera E, Biochemistry. 2011 Nov 29;50(47):10195-202. Epub 2011 Nov 8. PMID: 22049947 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).