alpha-D-glucosaminyl-[heparan sulfate](n) + 3'-phosphoadenylyl sulfate = N-sulfo-alpha-D-glucosaminyl-[heparan sulfate](n) + adenosine 3',5'-bisphosphate + 2 H(+)
alpha-d-glucosaminyl-[heparan sulfate](n) + 3'-phosphoadenylyl sulfate = n-sulfo-alpha-d-glucosaminyl-[heparan sulfate](n) + adenosine 3',5'-bisphosphate + 2 h(+)
"3'-phosphoadenylyl-sulfate:heparitin N-sulfotransferase"
"3'-phosphoadenylyl-sulfate:heparitin n-sulfotransferase"