there were iduronate sulfatase , arylsulfatase b , heparan sulfate ( hs ) sulfatase , n-acetylgalactosamine-6-sulfate sulfatase , hs-derived n-acetylglucosamine-6-sulfate sulfatase , and two keratan sulfate ( ks ) -derived n-acetylglucosamine-6-sulfate sulfatases .
C0020814
iduronate sulfatase
C0038717
sulfatases