This region is normally found in the trithorax/ALL1 family proteins. It is similar to SMART:SM00542.

1: The human MLL gene: nucleotide sequence, homology to the Drosophila trx zinc-finger domain, and alternative splicing. Mbangkollo D, Burnett R, McCabe N, Thirman M, Gill H, Yu H, Rowley JD, Diaz MO; DNA Cell Biol 1995;14:475-483. PMID:7598802