| 3WB0: reference: Identification of the HcgB enzyme in [Fe]-hydrogenase-cofactor biosynthesis., Fujishiro T, Tamura H, Schick M, Kahnt J, Xie X, Ermler U, Shima S, Angew Chem Int Ed Engl. 2013 Nov 25;52(48):12555-8. doi: 10.1002/anie.201306745. , Epub 2013 Nov 7. PMID: 24249552 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).