3ANO:
reference: Structural insights into the novel diadenosine 5',5'''-P(1),P(4)-tetraphosphate phosphorylase from Mycobacterium tuberculosis H37Rv., Mori S, Shibayama K, Wachino J, Arakawa Y, J Mol Biol. 2011 Jul 1;410(1):93-104. doi: 10.1016/j.jmb.2011.04.059. Epub 2011, May 4. PMID: 21565198

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