6MLC:
reference: Structural insights into trans-histone regulation of H3K4 methylation by unique histone H4 binding of MLL3/4., Liu Y, Qin S, Chen TY, Lei M, Dhar SS, Ho JC, Dong A, Loppnau P, Li Y, Lee MG, Min J, Nat Commun. 2019 Jan 3;10(1):36. doi: 10.1038/s41467-018-07906-3. PMID: 30604749

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