1RUV:
reference: X-ray structure of a ribonuclease A-uridine vanadate complex at 1.3 A resolution., Ladner JE, Wladkowski BD, Svensson LA, Sjolin L, Gilliland GL, Acta Crystallogr D Biol Crystallogr. 1997 May 1;53(Pt 3):290-301. PMID: 15299932

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