Predicted to enable transcription coregulator activity. Acts upstream of or within regulation of RNA splicing. Predicted to be located in chromatin. Predicted to be active in nucleus. Is expressed in DEL; heart; margin; nervous system; and otic vesicle. Human ortholog(s) of this gene implicated in type 2 diabetes mellitus. Orthologous to human HMGA1 (high mobility group AT-hook 1).