5JLB:
reference: Molecular basis for oncohistone H3 recognition by SETD2 methyltransferase., Yang S, Zheng X, Lu C, Li GM, Allis CD, Li H, Genes Dev. 2016 Jul 15;30(14):1611-6. doi: 10.1101/gad.284323.116. PMID: 27474439

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