Immunogen sequence: GWMPMREEKN FLLLSYEELK QDTGRTIEKI CQFLGKTLEP EELNLILKNS SFQSMKENKM SNYSLLSVDY VVDKAQLLRK GVS. SULT1 sulfotransferases exhibit N-sulfating activities of carcinogenic heterocyclic amines, and are selective toward phenols, whereas SULT2 e