Immunogen sequence: KRPDFKQQQD YFHSILGPGN IKKAVEEAER LSESLKLRYE EAEVRKKLEE KDRQEEAQRL QQKRQETGRE DGGTLAKGSL ENVLDSKDKT QKSNGEKNEK CETKEKGAIT AKELYTMMTD. USP8 is a ubiquitin specific protease that plays an important regulatory role at the level of protein