IL17F GI:16418375 interleukin 17F precursor 1 mtvktlhgpa mvkylllsil glaflseaaa rkipkvghtf fqkpescppv 50 51 pggsmkldig iinenqrvsm srniesrsts pwnytvtwdp nrypsevvqa 100 101 qcrnlgcina qgkedismns vpiqqetlvv rrkhqgcsvs fqlekvlvtv 150 151 gctcvtpvih hvq