>sp|P01038|CYT_CHICK Cystatin OS=Gallus gallus OX=9031 PE=1 SV=2
MAGARGCVVLLAAALMLVGAVLGSEDRSRLLGAPVPVDENDEGLQRALQFAMAEYNRASN
DKYSSRVVRVISAKRQLVSGIKYILQVEIGRTTCPKSSGDLQSCEFHDEPEMAKYTTCTF
VVYSIPWLNQIKLLESKCQ