HS(3)-PGs HS(2)-PGs HS2ST1 sulfates IdoA at C2 in heparan sulfate Authored: Jassal, B, 2012-01-27 Edited: Jassal, B, 2012-01-27 Human heparan sulfate L-iduronyl 2-O-sulfotransferase 1 (HS2ST1) mediates the transfer of sulfate from PAPS to the C2-position of iduronate (and glucuronate with lesser preference) (Smeds et al. 2010) residues in heparan sulfate chains (Rong et al. 2000). Pubmed10677367 Pubmed20554947 Reactome Database ID Release 432076508 Reactome, http://www.reactome.org ReactomeREACT_120904 Reviewed: D'Eustachio, P, 2012-03-28