4R81:
reference: A novel cytosolic NADH:quinone oxidoreductase from Methanothermobacter marburgensis., Ullmann E, Tan TC, Gundinger T, Herwig C, Divne C, Spadiut O, Biosci Rep. 2014 Nov 5. PMID: 25372605

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