A novel amino acid modification in sulfatases that is defective in multiple sulfatase deficiency
Article Abstract:
Multiple sulfatase deficiency (MSD) is a lysosomal storage defect marked by a reduced activity of all familiar sulfatases. The inadequacy of sulfatases was considered to be an outcome of the absence of a co- or posttranslational modification that occurs with all sulfatases and needed for their catalytic activity. Structural analysis of two catalytically active sulfatases showed that a cysteine remnant expected from cDNA sequence and preserved among all familiar sulfatases is represented with a 2-amino-3-oxopropionic acid remnant whereas in sulfatases derived from MSD cells, this cysteine remnant is preserved.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 1995
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Molecular basis for multiple sulfatase deficiency and mechanism for formylglycine generation of the human formylglycine-generating enzyme
Article Abstract:
Formylglycine (FGly)-generating enzyme (FGE) is a single-domain monomer with a surprising paucity of secondary structure and adopts a unique fold based on the crystal structure. FGE is localized in the endoplasmic reticulum (ER) and interacts with and modifies the unfolded form of newly synthesized sulfatases.
Publication Name: Cell
Subject: Biological sciences
ISSN: 0092-8674
Year: 2005
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