2LVY:
reference: The biolabile 2'-O-pivaloyloxymethyl modification in an RNA helix: an NMR solution structure., Baraguey C, Lescrinier E, Lavergne T, Debart F, Herdewijn P, Vasseur JJ, Org Biomol Chem. 2013 Apr 28;11(16):2638-47. doi: 10.1039/c3ob27005j. PMID: 23455628

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