ID 2.3.1.78 DE heparan-alpha-glucosaminide N-acetyltransferase. CA acetyl-CoA + alpha-D-glucosaminyl-[heparan sulfate](n) = CoA + H(+) + CA N-acetyl-alpha-D-glucosaminyl-[heparan sulfate](n). CC -!- Brings about the acetylation of glucosamine groups of heparan sulfate CC and heparin from which the sulfate has been removed. CC -!- Also acts on heparin. CC -!- Not identical with EC 2.3.1.3 or EC 2.3.1.4. DR Q68CP4, HGNAT_HUMAN; Q3UDW8, HGNAT_MOUSE; //