1DN6:
reference: The crystal structure of d(GGATGGGAG): an essential part of the binding site for transcription factor IIIA., McCall M, Brown T, Hunter WN, Kennard O, Nature 1986 Aug 14-20;322(6080):661-4. PMID: 3748146

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