The function of POU2AF2 (POU class 2 homeobox associating factor 2, ENSG00000150750) is as follows. Transcriptional coactivator of POU2F3 (PubMed:35576971, PubMed:36197978). This complex drives the development of tuft cells, a rare chemosensory cells that coordinate immune and neural functions within mucosal epithelial tissues (PubMed:35576971). .