Immunogen sequence: MAVKVQTTKR GDPHELRNIF LQYASTEVDG ERYMTPEDFV QRYLGLYNDP NSNPKIVQLL AGVADQTKDG LISYQEFLAF ESVLCAPDSM FIVAFQLFDK SGNGEVTFEN VKEIFGQTII HHHIPFNWDC EFIRLHFGHN RKKHLNYTEF TQFLQELQLE HARQAFALKD KSKSGMISGL; Positive Samples: Raji, U-87MG, B-c