Immunogen sequence: TAEARKRKAK SCICHVCGVH LNRLHSCLYC VFFGCFTKKH IHEHAKAKRH NLAIDLMYGG IYCFLCQDYI YDKDMEIIAK EEQRKAWKMQ GVGEKFSTWE P. Histone deubiquitinating component of the transcription regulatory histone acetylation (HAT) complex SAGA. Catalyzes the