. . "N-acetylgalactosamine-6-sulfatase"^^ . "GALNAC6S"^^ . "Chondroitinase"^^ . "GAS"^^ . "galactose-6-sulfatase"^^ . "MPS4A"^^ . "Galactosamine (N-acetyl)-6-sulfate sulfatase"^^ . "GalNAc6S sulfatase"^^ . .