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Structural and sequence-based classification of glycoside hydrolases

B Henrissat1, G Davies

  • 1Centre de Recherches sur les Macromolécules Végétales, CNRS, Joseph Fourier Université, Grenoble, France. bernie@cermav.grenet.fr

Current Opinion in Structural Biology
|November 5, 1997
PubMed
Summary

Oligo- and polysaccharides have diverse biological roles. Glycoside hydrolases, enzymes that break down these carbohydrates, are key to these functions and are classified into families with known structures and mechanisms.

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Area of Science:

  • Biochemistry
  • Enzymology
  • Carbohydrate Chemistry

Background:

  • Oligo- and polysaccharides exhibit significant biological diversity and function.
  • Glycoside hydrolases are enzymes responsible for hydrolyzing these carbohydrates.
  • These enzymes play crucial roles in numerous biological processes.

Purpose of the Study:

  • To explore the biological roles of carbohydrates.
  • To understand the functions of glycoside hydrolases.
  • To gain insights into enzyme structure, function, and catalytic mechanisms.

Main Methods:

  • Analysis of sequence-based families of glycoside hydrolases.
  • Examination of the growing number of 3D structures of these enzymes.

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Main Results:

  • Glycoside hydrolases are classified into distinct sequence-based families.
  • 3D structural data provides detailed insights into enzyme characteristics.
  • Understanding enzyme families and structures illuminates their function and catalysis.

Conclusions:

  • The diversity of carbohydrates necessitates a wide array of glycoside hydrolases.
  • Enzyme family classification and structural analysis are powerful tools for understanding enzyme function.
  • Detailed insights into structure, function, and catalysis are emerging for glycoside hydrolases.