FGF8 GI:5174439 fibroblast growth factor 8 isoform B precursor 1 mgsprsalsc lllhllvlcl qaqvtvqssp nftqhvreqs lvtdqlsrrl 50 51 irtyqlysrt sgkhvqvlan krinamaedg dpfaklivet dtfgsrvrvr 100 101 gaetglyicm nkkgkliaks ngkgkdcvft eivlennyta lqnakyegwy 150 151 maftrkgrpr kgsktrqhqr evhfmkrlpr ghhtteqslr feflnyppft 200 201 rslrgsqrtw apepr