BRENDA: BR19202
KEGG: R03517
MetaCyc: CHONDRO-4-SULFATASE-RXN
BRENDA: BS18789
KEGG: R10870
MetaCyc: 4.2.2.5-RXN
SABIO-RK: 14367
KEGG: R10871
MetaCyc: 4.2.2.19-RXN
SABIO-RK: 14369
MetaCyc: 4.2.2.21-RXN
MetaCyc: RXN-11577
BRENDA: BR48758
BRENDA: BR48472