6KN5:
reference: Acetylation of histone H3K27 signals the transcriptional elongation for estrogen receptor alpha., Gao Y, Chen L, Han Y, Wu F, Yang WS, Zhang Z, Huo T, Zhu Y, Yu C, Kim H, Lee M, Tang Z, Phillips K, He B, Jung SY, Song Y, Zhu B, Xu RM, Feng Q, Commun Biol. 2020 Apr 7;3(1):165. doi: 10.1038/s42003-020-0898-0. PMID: 32265480

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