Transcription factor that acts synergistically with SOX11 and SOX4. Plays a role in neuronal development (PubMed:31303265). Is implicated in an enhancer activity at the embryonic met-mesencephalic junction; the enhancer element contains the octamer motif (5'-ATTTGCAT-3') (By similarity). Homodimer. Brain. The disease is caused by variants affecting the gene represented in this entry. Belongs to the POU transcription factor family. Class-3 subfamily.