2FVP:
reference: Crystal structures of oligonucleotides including the integrase processing site of the Moloney murine leukemia virus., Montano SP, Cote ML, Roth MJ, Georgiadis MM, Nucleic Acids Res. 2006;34(19):5353-60. Epub 2006 Sep 26. PMID: 17003051

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