>gi|74027267 ubiquitin-specific protease 21 [Homo sapiens]
MPQASEHRLGRTREPPVNIQPRVGSKLPFAPRARSKERRNPASGPNPMLR
PLPPRPGLPDERLKKLELGRGRTSGPRPRGPLRADHGVPLPGSPPPTVAL
PLPSRTNLARSKSVSSGDLRPMGIALGGHRGTGELGAALSRLALRPEPPT
LRRSTSLRRLGGFPGPPTLFSIRTEPPASHGSFHMISARSSEPFYSDDKM
AHHTLLLGSGHVGLRNLGNTCFLNAVLQCLSSTRPLRDFCLRRDFRQEVP
GGGRAQELTEAFADVIGALWHPDSCEAVNPTRFRAVFQKYVPSFSGYSQQ
DAQEFLKLLMERLHLEINRRGRRAPPILANGPVPSPPRRGGALLEEPELS
DDDRANLMWKRYLEREDSKIVDLFVGQLKSCLKCQACGYRSTTFEVFCDL
SLPIPKKGFAGGKVSLRDCFNLFTKEEELESENAPVCDRCRQKTRSTKKL
TVQRFPRILVLHLNRFSASRGSIKKSSVGVDFPLQRLSLGDFASDKAGSP
VYQLYALCNHSGSVHYGHYTALCRCQTGWHVYNDSRVSPVSENQVASSEG
YVLFYQLMQEPPRCL