Immunogen sequence: MQLEIKVALN FIISYLYNKL PRRRADLFGE ELERLLKKKY EGHWYPEKPL KGSGFRCVHI GEMVDPVVEL. TOB2 is a 344 amino acid rich novel member of the Tob/BTG1 anti-proliferative family of proteins characterized by similarities in their N-terminal BTG/Tob h