1C7Y:
reference: Crystal structure of the holliday junction DNA in complex with a single RuvA tetramer., Ariyoshi M, Nishino T, Iwasaki H, Shinagawa H, Morikawa K, Proc Natl Acad Sci U S A 2000 Jul 18;97(15):8257-62. PMID: 10890893

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