DLX4 GI:20143960 distal-less homeobox 4 isoform b 1 mklsvlpprs llapytvlcc ppdsekprls pepserrpqa pakklrkprt 50 51 iysslqlqhl nqrfqhtqyl alperaqlaa qlgltqtqvk iwfqnkrsky 100 101 kkllkqnsgg qegdfpgrtf svspcspplp slwdlpkagt lptsgygnsf 150 151 gawyqhhssd vlaspqmm