transfer of sulfate occurs to heparan sulfate , n-heparan sulfate , and n-desulfated heparin , but not to n-acetylated heparan sulfate , n-acetylated heparin , chondroitin , chondroitin sulfate , and tyrosine-containing tripeptides .
C0008454
chondroitin
C0008466
chondroitin sulfate