>sp|Q9HBE4|IL21_HUMAN Interleukin-21 OS=Homo sapiens GN=IL21
MRSSPGNMERIVICLMVIFLGTLVHKSSSQGQDRHMIRMRQLIDIVDQLKNYVNDLVPEF
LPAPEDVETNCEWSAFSCFQKAQLKSANTGNNERIINVSIKKLKRKPPSTNAGRRQKHRL
TCPSCDSYEKKPPKEFLERFKSLLQKMIHQHLSSRTHGSEDS