4RXZ:
reference: Structural basis of how stress-induced MDMX phosphorylation activates p53., Chen X, Gohain N, Zhan C, Lu WY, Pazgier M, Lu W, Oncogene. 2015 Jul 6. doi: 10.1038/onc.2015.255. PMID: 26148237

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