Isolated sulfotransferase nucleic acid molecules that include a nucleotide sequence variant and nucleotides flanking the sequence variant are described, as well as sulfotransferase allozymes. Methods for determining if a mammal is predisposed to thyroid disease or cancer also are described....http://www.google.ca/patents/US7026163?utm_source=gb-gplus-sharePatent US7026163 - Sulfotransferase sequence variants