Immunogen sequence: DIYIWGWNES GQLALPTRNL AEDGETVARE ATELNEDGSQ VKRTGGAEDG APAPFIAVQP FPALLDLPMG SDAVKASCGS RHTAVVTRTG ELYTWGWGKY GQLGHEDTTS LDRPRRVEYF VDKQLQVKAV T. Plays a role in transcriptional repression of satellite repeats, possibly by regulating