| 1I54: reference: Electron tunneling in protein crystals., Tezcan FA, Crane BR, Winkler JR, Gray HB, Proc Natl Acad Sci U S A 2001 Apr 24;98(9):5002-6. PMID: 11296248 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).