Automated description from the Alliance of Genome Resources (Release 3.0)
Exhibits protein heterodimerization activity. Involved in maternal behavior; negative regulation of transcription by RNA polymerase II; and startle response. Localizes to nucleus. Is expressed in several structures, including central nervous system; genitourinary system; and limb. Orthologous to human NPAS1 (neuronal PAS domain protein 1).