Enables DNA-binding transcription factor activity; double-stranded DNA binding activity; and minor groove of adenine-thymine-rich DNA binding activity. Involved in transcription by RNA polymerase II. Located in nucleus. Human ortholog(s) of this gene implicated in X-linked deafness 2. Orthologous to human POU3F4 (POU class 3 homeobox 4). [provided by Alliance of Genome Resources, Apr 2022]