2HAX:
reference: Common mode of DNA binding to cold shock domains. Crystal structure of hexathymidine bound to the domain-swapped form of a major cold shock protein from Bacillus caldolyticus., Max KE, Zeeb M, Bienert R, Balbach J, Heinemann U, FEBS J. 2007 Mar;274(5):1265-79. Epub 2007 Jan 31. PMID: 17266726

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