Sulfonation of estrone is catalyzed by SULT1E1 (Aksoy et al. 1994; Falany et al. 1995), and also by SULT2A1 (Comer et al. 1993), although the efficiency of SULT2A1 catalysis is unknown.
estrone sulfotransferase activity of SULT1E1,2A1 [cytosol]