GFRA4 GI:22091448 GDNF family receptor alpha 4 isoform b precursor 1 mvrclgpall lllllgsass vggnrcvdaa eactadarcq rlrseyvaqc 50 51 lgraaqggcp rarcrralrr ffargppalt hallfcpcag pacaerrrqt 100 101 fvpscafsgp gpappsclep lnfcersrvc rcaraaagpw rgwgrglspa 150 151 hrppaaqasp pglsglvhps aqrprrlpag pgrplparlr gprgvpagta 200 201 vtpnyvdnvs arvapwcdcg asgnrredce afrglftrnr cldgaiqafa 250 251 sgwppvlldq lnpqgdpehs llqvsstgra lerrsllsil pvlalpall