5ULJ:
reference: 5' End Nicotinamide Adenine Dinucleotide Cap in Human Cells Promotes RNA Decay through DXO-Mediated deNADding., Jiao X, Doamekpor SK, Bird JG, Nickels BE, Tong L, Hart RP, Kiledjian M, Cell. 2017 Mar 9;168(6):1015-1027.e10. doi: 10.1016/j.cell.2017.02.019. PMID: 28283058

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