5MHK:
reference: The herpes viral transcription factor ICP4 forms a novel DNA recognition complex., Tunnicliffe RB, Lockhart-Cairns MP, Levy C, Mould AP, Jowitt TA, Sito H, Baldock C, Sandri-Goldin RM, Golovanov AP, Nucleic Acids Res. 2017 May 13. doi: 10.1093/nar/gkx419. PMID: 28505309

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