Human bromodomain ash1 (absent, small or homeotic)-like (ASH1L), also known as, KMT2H, ASH1-Like Protein, Ash1, huASH1 and EC 2.1.1.43, GenBank Accession No. NM_018489, a.a. 2433 - 2548 corresponding to single bromodomain, with N-terminal His-tag, MW = 14.2 kDa, expressed in an E. coli expression system.