3EMH:
reference: WDR5 Interacts with Mixed Lineage Leukemia (MLL) Protein via the Histone H3-binding Pocket., Song JJ, Kingston RE, J Biol Chem. 2008 Dec 12;283(50):35258-64. Epub 2008 Oct 7. PMID: 18840606

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