2Y6P:
reference: Evidence for a Two-Metal-Ion Mechanism in the Cytidyltransferase KdsB, an Enzyme Involved in Lipopolysaccharide Biosynthesis., Schmidt H, Mesters JR, Wu J, Woodard RW, Hilgenfeld R, Mamat U, PLoS One. 2011;6(8):e23231. Epub 2011 Aug 3. PMID: 21826242

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