protein coding gene - paired-like homeobox 2b Px2b Pmx2b http://identifiers.org/mgd/MGI:1100882 NBPhox Dilp1 GENA 269 Phox2b|Dilp1|NBPhox|Pmx2b|GENA 269|Px2b O genetic mapping MGI:1100882 Phox2b Gene Phox2b