EOG8HHRHH GO:0051568 1/16 histone H3-K4 methylation biological_process "The modification of histone H3 by addition of a methyl group to lysine at position 4 of the histone." [GOC:ai] EOG8HHRHH GO:0044666 1/16 MLL3/4 complex cellular_component "A protein complex that can methylate lysine-4 of histone H3, and which contains either of the protein subunits MLL3 or MLL4 in mammals, or equivalent in other species." [GOC:sart, PMID:21875999]