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. [ http://www.ncbi.nlm.nih.gov/pubmed/21875999 GOC:sart ]
Synonyms: Trr/COMPASS-like complex
This is just here as a test because I lose it