ARTN GI:16950645 neurotrophic factor artemin isoform 2 1 mpglisargq pllevlppqa hlgalflpea plglsaqpal wptlaalall 50 51 ssvaeaslgs aprspapreg pppvlaspag hlpggrtarw csgrarrppp 100 101 qpsrpapppp appsalprgg raaraggpgs raraagargc rlrsqlvpvr 150 151 alglghrsde lvrfrfcsgs crrarsphdl slasllgaga lrpppgsrpv 200 201 sqpccrptry eavsfmdvns twrtvdrlsa tacgclg