Immunogen sequence: GINVREKSKQ LVALLKDEER LKAERAQALK TKERMAQVAT GMGSNQITFG RGSSQPNLST SHSEQEYGKA GGSPASYHGS TSPRVSSELE QARPQTSGEE ELQLQLALAM SREVAEQEER LRRGDDLRLQ MALEESRRDT VKIPKKKEHG SLPQQTTLLD LMDALPSSGP AAQKAEPWGP S; Positive Samples: U-87MG, LO2, He