Chapter title |
Proteoglycans
|
---|---|
Chapter number | 12 |
Book title |
Proteoglycans
|
Published in |
Methods in molecular biology, December 2011
|
DOI | 10.1007/978-1-61779-498-8_12 |
Pubmed ID | |
Book ISBNs |
978-1-61779-497-1, 978-1-61779-498-8
|
Authors |
Uniewicz KA, Ori A, Rudd TR, Guerrini M, Wilkinson MC, Fernig DG, Yates EA, Uniewicz, Katarzyna A., Ori, Alessandro, Rudd, Timothy R., Guerrini, Marco, Wilkinson, Mark C., Fernig, David G., Yates, Edwin A., Katarzyna A. Uniewicz, Alessandro Ori, Timothy R. Rudd, Marco Guerrini, Mark C. Wilkinson, David G. Fernig, Edwin A. Yates |
Abstract |
Studies of the structural changes invoked in proteins by the binding of the glycosaminoglycan (GAG) polysaccharide portion of proteoglycans are of increasing importance to research in a wide range of fields, from biochemistry and molecular biology to biotechnology and medicine. One important aspect is the degree of stabilisation or destabilisation induced in a protein by the binding of these anionic materials, and this can affect enzyme activity, the stability of complexes, folding and the formation of aggregates, including those in neurodegenerative processes. A simple method, able to determine the effect of interactions with GAG polysaccharides on protein stability is described, based on the propensity of a fluorescent dye-Sypro™ Orange-to present differentiable fluorescence emission spectra following contact with exposed core amino acid residues. The method requires only commonly available and inexpensive equipment and is suitable for a multi-well format, allowing multiple readings to be made simultaneously. |
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