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α-Galactosidase ( EC 3.2.1.22, α-GAL, α-GAL A; systematic name α-D-galactoside galactohydrolase) is a glycoside hydrolase enzyme that catalyses the following reaction: [1] Hydrolysis of terminal, non-reducing α- D -galactose residues in α- D -galactosides, including galactose oligosaccharides, galactomannans and galactolipids
2717 11605 Ensembl ENSG00000102393 ENSMUSG00000031266 UniProt P06280 P51569 RefSeq (mRNA) NM_000169 NM_013463 RefSeq (protein) NP_000160 NP_038491 Location (UCSC) Chr X: 101.39 – 101.41 Mb Chr X: 133.49 – 133.5 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Galactosidase alpha is an enzyme that in humans is encoded by the GLA gene. Two recombinant forms of human α-galactosidase ...
Galactosidases are enzymes (glycoside hydrolases) that catalyze the hydrolysis of galactosides into monosaccharides.. Galactosides can be classified as either alpha or beta. If the galactoside is classified as an alpha-galactoside, the enzyme is called alpha-galactosidase, and is responsible for catalyzing the hydrolysis of substrates that contain α-galactosidic residues, such as ...
Deficient activity of lysosomal alpha-galactosidase results in progressive accumulation of globotriaosylceramide (GL-3) within lysosomes, that is believed to trigger a cascade of cellular events. [15] The demonstration of marked alpha-galactosidase deficiency is the conclusive method for the diagnosis in homozygous males.
Alpha-galactosidase (EC 3.2.1.22) (melibiase) [8] catalyzes the hydrolysis of melibiose into galactose and glucose. In man, the deficiency of this enzyme is the cause of Fabry's disease (X-linked sphingolipidosis). Alpha-galactosidase is present in a variety of organisms.
Galactose-α-1,3-galactose, commonly known as alpha gal and the Galili antigen, is a carbohydrate found in most mammalian cell membranes. It is not found in catarrhines , [ 1 ] including humans, who have lost the GGTA1 gene.
The presence of an active β-galactosidase can be detected by X-gal, a colourless analog of lactose that may be cleaved by β-galactosidase to form 5-bromo-4-chloro-indoxyl, which then spontaneously dimerizes and oxidizes to form a bright blue insoluble pigment 5,5'-dibromo-4,4'-dichloro-indigo. This results in a characteristic blue colour in ...
[2] [4] It is a recombinant human α-galactosidase-A. [4] It is a hydrolytic lysosomal neutral glycosphingolipid-specific enzyme. [2] The most common side effects are infusion-related reactions, hypersensitivity and asthenia. [4] Pegunigalsidase alfa was approved for medical use in both the European Union and the United States in May 2023. [4] [3]