The function of ENSG00000198914 (POU3F3, POU class 3 homeobox 3) is as follows. 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). {ECO:0000250|UniProtKB:P31361, ECO:0000250|UniProtKB:Q63262, ECO:0000269|PubMed:31303265}.