2OHD:
reference: Structure of a putative molybdenum-cofactor biosynthesis protein C (MoaC) from Sulfolobus tokodaii (ST0472)., Yoshida H, Yamada M, Kuramitsu S, Kamitori S, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2008 Jul 1;64(Pt, 7):589-92. Epub 2008 Jun 11. PMID: 18607082

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