Immunogen sequence: SYTEKDKQAY LEAAYAAGVR NIEMESSVFA AMCSACGLQA AVVCVTLLNR LEGDQISSPR NVLSEYQQRP QRLVSYFIKK KLSKA; Positive Samples: HT-29, A431, A549, 293T, HeLa. UPP1 catalyzes the reversible phosphorylytic cleavage of uridine and deoxyuridine to uraci