3OZ2:
reference: Insights into substrate specificity of geranylgeranyl reductases revealed by the structure of digeranylgeranylglycerophospholipid reductase, an essential enzyme in the biosynthesis of archaeal membrane lipids., Xu Q, Eguchi T, Mathews II, Rife CL, Chiu HJ, Farr CL, Feuerhelm J, Jaroszewski L, Klock HE, Knuth MW, Miller MD, Weekes D, Elsliger MA, Deacon AM, Godzik A, Lesley SA, Wilson IA, J Mol Biol. 2010 Dec 3;404(3):403-17. Epub 2010 Oct 1. PMID: 20869368

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