Immunogen sequence: GGSTSLNGQC EWLSRLQSGM VPNQYNPLRG SVAPGPLSTQ APSLQHGMVG PLHSSLAASA LSQMMSYQGL PSTRLATQPH LVQTQQVQPQ NLQMQQQNL. The notch gene belongs to a family of epidermal growth factor (EGF) like homeotic genes, which encode transmembrane proteins