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Author Spotlight: Advancing Protein Glycosylation Research Using a Fully Automated System
Published on: June 28, 2024
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Mechanism of multivalent glycoconjugate-lectin interaction: An update
Tarun K Dam1, Olivia Hohman2, Lucas Sheppard2
1Laboratory of Mechanistic Glycobiology, Department of Chemistry, Michigan Technological University, Houghton, MI, United States; Health Research Institute, Michigan Technological University, Houghton, MI, United States.
Advances in Carbohydrate Chemistry and Biochemistry
|November 18, 2023
Summary
This review explores multivalent binding, where lectins (proteins) interact with multiple sites on glycoconjugates (carbohydrate molecules). Understanding these complex interactions is key to biological recognition processes.
Area of Science:
- Biochemistry
- Molecular Biology
- Carbohydrate Chemistry
Background:
- Lectins are proteins that bind to carbohydrates.
- Lectin-glycoconjugate interactions are typically multivalent due to multiple binding sites and epitopes.
- Multivalent binding mechanisms differ significantly from monovalent interactions.
Purpose of the Study:
- To review the principles of multivalent lectin-glycoconjugate binding.
- To summarize models and mechanisms derived from quantitative binding studies.
- To provide an updated overview of this complex biological interaction.
Main Methods:
- Systematic binding studies using various lectins.
- Employing synthetic multivalent analogs and natural glycoconjugate ligands of increasing complexity (glycoproteins, polysaccharides, glycosaminoglycans, mucins, proteoglycans).
- Derivation of binding models and mechanisms from quantitative data.
Main Results:
- Demonstrated fundamental differences between monovalent and multivalent binding.
- Characterized the influence of valency and complexity on binding interactions.
- Established quantitative models for multivalent lectin-glycoconjugate recognition.
Conclusions:
- Multivalent interactions are crucial in biological recognition.
- Quantitative studies provide insights into the mechanisms of multivalency.
- This review consolidates current understanding of lectin-glycoconjugate multivalent binding.
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