CHST9

GALNAC4ST-2

Q7L1S5

18q11.2

Chondroitin sulfate biosynthesis, organism-specific biosystem; Chondroitin sulfate/dermatan sulfate metabolism, organism-specific biosystem; Disease, organism-specific biosystem; Glycosaminoglycan metabolism, organism-specific biosystem; MPS I - Hurler syndrome, organism-specific biosystem; MPS II - Hunter syndrome, organism-specific biosystem; MPS IIIA - Sanfilippo syndrome A, organism-specific biosystem;

N-acetylgalactosamine 4-O-sulfotransferase activity; N-acetylgalactosamine 4-O-sulfotransferase activity;