PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8697101-11 1996 This report on the functional dissimilarity between two allelic variants of HAST4 highlights that substitution at two residues, Thr-7 and -235, markedly alters their substrate specificities and provides insight into the domains that determine these characteristics. Threonine 128-131 sulfotransferase family 1A member 2 Homo sapiens 76-81