the particulate preparation also utilized n-acetyl-d-glucosamine and some of its derivatives as acceptors , but partial heat inactivation and substrate competition experiments indicated that the two classes of acceptors , hematoside and n-acetylglucosamine , were substrates for different n-acetylgalactosaminyltransferases .
C0017718
glucosamine
C0001056
n-acetylglucosamine