| 3UB0: reference: Non-structural Proteins 7 and 8 of Feline Coronavirus Form a 2:1 Heterotrimer that Exhibits Primer-independent RNA Polymerase Activity., Xiao Y, Ma Q, Restle T, Shang W, Svergun DI, Ponnusamy R, Sczakiel G, Hilgenfeld R, J Virol. 2012 Feb 8. PMID: 22318142 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).