6GYT:
reference: Transcription factor dimerization activates the p300 acetyltransferase., Ortega E, Rengachari S, Ibrahim Z, Hoghoughi N, Gaucher J, Holehouse AS, Khochbin S, Panne D, Nature. 2018 Oct;562(7728):538-544. doi: 10.1038/s41586-018-0621-1. Epub 2018 Oct, 15. PMID: 30323286

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