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Glycoside hydrolase family 31

FieldValue
SymbolGlyco_hydro_31
NameGlycosyl hydrolases family 31
imagePDB 2f2h EBI.jpg
captionstructure of the yici thiosugar michaelis complex
PfamPF01055
Pfam_clanCL0058
InterProIPR000322
PROSITEPDOC00120
CAZyGH31
Membranome family523

In molecular biology, glycoside hydrolase family 31 is a family of glycoside hydrolases.

Glycoside hydrolases are a widespread group of enzymes that hydrolyse the glycosidic bond between two or more carbohydrates, or between a carbohydrate and a non-carbohydrate moiety. A classification system for glycoside hydrolases, based on sequence similarity, has led to the definition of 100 different families. This classification is available on the CAZy web site, and also discussed at CAZypedia, an online encyclopedia of carbohydrate active enzymes.

Glycoside hydrolase family 31 CAZY GH_31 comprises enzymes with several known activities; alpha-glucosidase (), alpha-galactosidase (); glucoamylase (), sucrase-isomaltase () (); alpha-xylosidase (); alpha-glucan lyase ().

Glycoside hydrolase family 31 groups a number of glycosyl hydrolases on the basis of sequence similarities An aspartic acid has been implicated in the catalytic activity of sucrase, isomaltase, and lysosomal alpha-glucosidase.

References

References

  1. (July 1995). "Conserved catalytic machinery and the prediction of a common fold for several families of glycosyl hydrolases". Proceedings of the National Academy of Sciences of the United States of America.
  2. (September 1995). "Structures and mechanisms of glycosyl hydrolases". Structure.
  3. (June 1996). "Updating the sequence-based classification of glycosyl hydrolases". The Biochemical Journal.
  4. "Home".
  5. (January 2014). "The carbohydrate-active enzymes database (CAZy) in 2013". Nucleic Acids Research.
  6. "Glycoside Hydrolase Family 31".
  7. (December 2018). "Ten years of CAZypedia: a living encyclopedia of carbohydrate-active enzymes". Glycobiology.
  8. (December 1991). "A classification of glycosyl hydrolases based on amino acid sequence similarities". The Biochemical Journal.
  9. (December 1991). "Primary structure and processing of the Candida tsukubaensis alpha-glucosidase. Homology with the rabbit intestinal sucrase-isomaltase complex and human lysosomal alpha-glucosidase". European Journal of Biochemistry.
  10. (December 1991). "Striking structural and functional similarities suggest that intestinal sucrase-isomaltase, human lysosomal alpha-glucosidase and Schwanniomyces occidentalis glucoamylase are derived from a common ancestral gene". FEBS Letters.
  11. (July 1991). "Human lysosomal alpha-glucosidase. Characterization of the catalytic site". The Journal of Biological Chemistry.
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ec-3.2.1 protein-families glycoside-hydrolase-families
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