>tr|Q5SUE2|Q5SUE2_MOUSE Interleukin-21 OS=Mus musculus GN=Il21
MERTLVCLVVIFLGTVAHKSSPQGPDRLLIRLRHLIDIVEQLKIYENDLDPELLSAPQDV
KGHCEHAAFACFQKAKLKPSNPGNNKTFIIDLVAQLRRRLPARRGGKKQKHIAKCPSCDS
YEKRTPKEFLERLKWLLQKMIHQHLS