2GEQ:
reference: Structure of the p53 core domain dimer bound to DNA., Ho WC, Fitzgerald MX, Marmorstein R, J Biol Chem. 2006 Jul 21;281(29):20494-502. Epub 2006 May 22. PMID: 16717092

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