| 2K3V: reference: The solution structure of a tetraheme cytochrome from Shewanella frigidimarina reveals a novel family structural motif., Paixao VB, Salgueiro CA, Brennan L, Reid GA, Chapman SK, Turner DL, Biochemistry. 2008 Nov 18;47(46):11973-80. Epub 2008 Oct 25. PMID: 18950243 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).