MLL3/WARD complex of human MLL3 (GenBank Accession No. NM_170606) a.a. 4689-4911(end) with N-terminal His-tag and MW= 27 kDa, human WDR5 (GenBank Accession No. NM_017588), a.a. 2-334(end ) with N-terminal His-tag and MW= 37 kDa, human Ash2L (GenBank Accession No. NM_001105214), a.a. 2-534(end) with N-terminal His-tag and MW= 61 kDa, human RbBP5 (GenBank Accession No. NM_005057), a.a. 2-538(end) with N-terminal His-tag and MW= 60 kDa, and human DPY30 (GenBank Accession No. NM_032574) a.a. 2-99(end) with N-terminal His-tag and MW=12 kDa individually expressed in an E. coli expression system.