ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Interactions of Pectin with Cationic Polypeptides

S. Bystrický and A. Malovíková

Institute of Chemistry, Slovak Academy of Sciences, CS-842 38 Bratislava

 

Abstract: The CD measurement was shown as a very effective tool to investigate the complex-forming interactions of acidic polysaccharides with basic polypeptides. The review summarizes the progress achieved in the last five years in investigation of systems comprising different pectin macromolecules and model polypeptides. Conclusions on complexation effectiveness are derived from the observed conformational changes of polypeptides. The strict stoichiometry of complexation enables to propose the most probable stereochemical structure of the complex. The influence of charge densities of both interacting components on the complex structure is also presented. The detailed analysis of the stereochemical factor finally revealed the nonequivalent enantiomeric interaction, leading to recognition of the inherent conformation of the polysaccharide chain in solution.

Full paper in Portable Document Format: 462a131.pdf

 

Chemical Papers 46 (2) 131–140 (1992)

Monday, July 06, 2020

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