Enables RNA polymerase II transcription regulatory region sequence-specific DNA binding activity. Predicted to be involved in negative regulation of transcription by RNA polymerase II. Located in nucleus. Is expressed in several structures, including genitourinary system; limb; nervous system; sensory organ; and skeletal musculature. Orthologous to human POU6F1 (POU class 6 homeobox 1). [provided by Alliance of Genome Resources, Apr 2022]