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Selectins

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Cell adhesion is an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...

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Rapid Glyco-Qualitative Assessment of Recombinant Proteins Using a Fully Automated System

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Synthetic lectins.

Anthony P Davis¹

¹School of Chemistry, University of Bristol, Cantock's Close, Bristol, UKBS8 1TS. Anthony.Davis@bristol.ac.uk

Organic & Biomolecular Chemistry

|August 27, 2009

Summary

This summary is machine-generated.

Researchers developed biomimetic "synthetic lectins" that effectively recognize carbohydrates in water, mimicking natural lectin functions. These receptors show high affinity and selectivity, offering new tools for glycobiology research.

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Area of Science:

Supramolecular Chemistry
Carbohydrate Chemistry
Biomimetic Chemistry

Background:

Carbohydrate recognition in water is a significant challenge in supramolecular chemistry.
Developing effective biomimetic receptors for aqueous environments has been a long-standing goal.
Natural carbohydrate-binding proteins (lectins) provide a benchmark for molecular recognition in biological systems.

Purpose of the Study:

To design and synthesize novel carbohydrate receptors capable of functioning in aqueous solutions.
To investigate the binding properties and selectivity of these synthetic receptors towards specific carbohydrate structures.
To explore the potential of these receptors as research tools in glycobiology.

Main Methods:

Synthesis of the "temple" family of supramolecular receptors.
Characterization of receptor-carbohydrate interactions in aqueous media.
Affinity and selectivity studies using various carbohydrate substrates.

Main Results:

The "temple" receptors demonstrate efficient binding of carbohydrates with all-equatorial substitution patterns (e.g., beta-glucosyl, beta-GlcNAc, beta-cellobiosyl).
Binding affinities and selectivities comparable to those of natural lectins were achieved.
The receptors function effectively in water, a challenging medium for molecular recognition.

Conclusions:

Biomimetic "synthetic lectins" have been successfully developed for carbohydrate recognition in water.
These receptors mimic the binding modes and performance of natural lectins.
The developed receptors hold potential as valuable tools for advancing glycobiology research.