IL7 GI:4504677 interleukin 7 precursor 1 mfhvsfryif glpplilvll pvassdcdie gkdgkqyesv lmvsidqlld 50 51 smkeigsncl nnefnffkrh icdankegmf lfraarklrq flkmnstgdf 100 101 dlhllkvseg ttillnctgq vkgrkpaalg eaqptkslee nkslkeqkkl 150 151 ndlcflkrll qeiktcwnki lmgtkeh