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Lectins.

M Vijayan1, N Chandra

  • 1Molecular Biophysics Unit, Indian Institute of Science, Bangalore, 560 012, India. mv@mbu.iisc.ernet.in

Current Opinion in Structural Biology
|December 23, 1999
PubMed
Summary
This summary is machine-generated.

Lectins, which are proteins that bind carbohydrates, show diverse structures and functions. Recent studies reveal new lectin folds and their crucial roles in biological recognition and viral infections.

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Area of Science:

  • Biochemistry
  • Structural Biology
  • Molecular Biology

Background:

  • Lectins are proteins with diverse structures that bind carbohydrates.
  • They play roles in various biological recognition processes.
  • Understanding lectin structure and function is crucial for biological insights.

Purpose of the Study:

  • To describe recent findings on lectin structural diversity.
  • To highlight strategies lectins use for carbohydrate specificity.
  • To elaborate on the role of lectins in viral infections.

Main Methods:

  • Structural analysis of lectin folds.
  • Investigation of quaternary association variations.
  • Examination of water bridges, post-translational modifications, and oligomerization strategies.

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Main Results:

  • Discovery of three new lectin folds and elaborations of known folds.
  • Demonstration of significant variability in quaternary association in legume lectins.
  • Identification of key strategies for carbohydrate specificity, including water bridges and oligomerization.

Conclusions:

  • Lectins exhibit remarkable structural diversity and functional adaptability.
  • Specific structural features and strategies contribute to lectin carbohydrate specificity.
  • Lectins play a significant role in viral infections, as exemplified by influenza and foot-and-mouth viruses.