Term Name:	heparan sulfate 2-O-sulfotransferase activity
Synonyms:	heparan-sulfate 2-O-sulphotransferase activity, heparin 2-sulfotransferase activity, heparin-sulphate 2-sulphotransferase activity
Definition:	Catalysis of the reaction: 3'-phosphoadenosine 5'-phosphosulfate + heparan sulfate = adenosine 3',5'-bisphosphate + heparan sulfate 2-O-sulfate; results in 2-O-sulfation of iduronic acid residues in heparan sulfate.
Ontology:	GO: Molecular Function [GO:0004394]    QuickGO    AmiGO