Term Name:	N-acetylgalactosamine 4-sulfate 6-O-sulfotransferase activity
Synonyms:	3'-phosphoadenylyl-sulfate:dermatan 6'-sulfotransferase activity, GalNAc4S-6ST, N-acetylgalactosamine 4-sulfate 6-O-sulphotransferase activity
Definition:	Catalysis of the reactions: n 3'-phosphoadenylyl sulfate + chondroitin 4'-sulfate = n adenosine 3',5'-bisphosphate + chondroitin 4',6'-bissulfate + n H+, and n 3'-phosphoadenylyl sulfate + dermatan 4'-sulfate = n adenosine 3',5'-bisphosphate + dermatan 4',6'-bissulfate + n H+.
Ontology:	GO: Molecular Function [GO:0050659]    QuickGO    AmiGO