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3.1.6.12: N-acetylgalactosamine-4-sulfatase

This is an abbreviated version!
For detailed information about N-acetylgalactosamine-4-sulfatase, go to the full flat file.

Word Map on EC 3.1.6.12

Reaction

D-GalNAc-4-sulfate
+
H2O
=
sulfate
+
D-GalNAc

Synonyms

4-sulfatase, 4-sulphatase, acetylgalactosamine 4-sulfatase, ARSB, arylsulfatase B, ASB, chondroitinase, chondroitinsulfatase, chondrosulfatase, G4S, gastric chondrosulfohydrolase, N-acetylgalactosamine 4-sulfatase, N-acetylgalactosamine 4-sulfate sulfohydrolase, N-acetylgalactosamine-4-sulfatase, N-acetylgalactosamine-4-sulphatase, sulfatase, acetylgalactosamine 4-

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.6 Sulfuric-ester hydrolases
                3.1.6.12 N-acetylgalactosamine-4-sulfatase

pH Range

pH Range on EC 3.1.6.12 - N-acetylgalactosamine-4-sulfatase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
3 - 5
-
pH 3.0: about 85% of activity maximum, pH 5.0: about 15% of activity maximum
3.9 - 6.1
-
pH 3.9: about 40% of maximal activity, wild-type enzyme, pH 6.1: about 45% of maximal activity, wild-type enzyme. pH 3.9: about 40% of maximal activity, mutant enzyme Y210C, pH 6.1: about 45% of maximal activity, mutant enzyme Y210C
4.8 - 8
-
pH 4.8: about 80% of maximal activity, pH 8.0: about 60% of maximal activity, enzyme from animals infected with Schistosoma mansoni
5 - 7
-
pH 5.0: about 20% of maximal activity, pH 7.0: about 55% of maximal activity enzyme from animals without infection