4MZR:
reference: Reversal of the DNA-Binding-Induced Loop L1 Conformational Switch in an Engineered Human p53 Protein., Emamzadah S, Tropia L, Vincenti I, Falquet B, Halazonetis TD, J Mol Biol. 2013 Dec 27. pii: S0022-2836(13)00807-3. doi:, 10.1016/j.jmb.2013.12.020. PMID: 24374182

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