Positive Samples: HT-29, 293T, PC-12 Immunogen sequence: KHIEEDEVRS SADLRIRKSQ HSVLSRKFVE VMTKYNEAQV DFRERSKGRI QRQLEITGKK TTDEELEEML ESGNPAIFTS GIIDSQISKQ ALSEIEGRHK D. The gene is a member of the syntaxin family. The encoded protein is targeted to the