SULT1A3 and neoplasm: Thus, using probe substrates, we systematically measured the metabolic functions of SULT1A1, SULT1A3, SULT1B1, SULT1E1, and SULT2A1 in tumor S9 (tHLS9-pooled), pericarcinomatous S9 (nHLS9-pooled), and reference pooled normal human S9 (rHLS9-pooled).