| 1VID: Catechol O-Methyltransferase reference: Crystal structure of catechol O-methyltransferase., Vidgren J, Svensson LA, Liljas A, Nature 1994 Mar 24;368(6469):354-8. PMID: 8127373 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).