| 6BWR: reference: Biosynthesis of the nickel-pincer nucleotide cofactor of lactate racemase requires a CTP-dependent cyclometallase., Desguin B, Fellner M, Riant O, Hu J, Hausinger R, Hols P, Soumillion P, J Biol Chem. 2018 Jun 10. pii: RA118.003741. doi: 10.1074/jbc.RA118.003741. PMID: 29887527 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).