The function of ENSG00000122859 (NEUROG3, neurogenin 3) is as follows. Is a transcriptional regulator involved in the control of enteroendocrine cell differentiation (PubMed:21378176). Together with NKX2-2, initiates transcriptional activation of NEUROD1 (PubMed:16855267, PubMed:21378176). Involved in neurogenesis. Also required for the specification of a common precursor of the 4 pancreatic endocrine cell types (By similarity). .