| 1QHM: reference: Pyruvate formate lyase is structurally homologous to type I ribonucleotide reductase., Leppanen VM, Merckel MC, Ollis DL, Wong KK, Kozarich JW, Goldman A, Structure Fold Des 1999 Jul 15;7(7):733-44. PMID: 10425676 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).