A portion of amino acids 258-284 from the zebrafish protein was used as the immunogen for this Pax2a antibody.
Probable transcription factor involved in the development of the midbrain/hindbrain boundary (MHB) organizer and specification of neuronal cell fates. Required for establishment of eng2 and eng3 gene expression in the midbrain and MHB primordium during late gastrulation.