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Substance Name: Sulfatase, N-acetylgalactosamine 4-
RN: 55354-43-3


  • An arylsulfatase that catalyzes the hydrolysis of the 4-sulfate groups of the N-acetyl-D-galactosamine 4-sulfate units of chondroitin sulfate and dermatan sulfate. A deficiency of this enzyme is responsible for the inherited lysosomal disease, Maroteaux-Lamy syndrome (MUCOPOLYSACCHARIDOSIS VI). EC

Molecular Formula

  • Unspecified
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Names and Synonyms

MeSH Heading

  • N-Acetylgalactosamine-4-Sulfatase


  • Arylsulfatase B

Systematic Name

  • Sulfatase, N-acetylgalactosamine 4-

Registry Numbers

CAS Registry Number

  • 55354-43-3

System Generated Number

  • 0055354433