2FUG:
reference: Structure of the hydrophilic domain of respiratory complex I from Thermus thermophilus., Sazanov LA, Hinchliffe P, Science. 2006 Mar 10;311(5766):1430-6. Epub 2006 Feb 9. PMID: 16469879

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).