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The conformational behaviour and P-selectin inhibition of fluorine-containing sialyl LeX glycomimetics
Javier Pérez-Castells1, José Juan Hernández-Gay, Richard W Denton
1Centro de Investigaciones Biológicas, CSIC, Ramiro de Maeztu 9, 28040 Madrid, Spain. jjbarbero@cib.csic.es. jpercas@ceu.es
Abstract:
A combination of experimental J/NOE NMR data with molecular mechanics and dynamics calculations has been used to examine the conformational behaviour and assign the configuration of synthetically prepared epimeric 3-carboxymethyl-O-Gal-(1-->1)-alpha-Man-fluoro-C-glycosides. It is shown that the population distributions around the glycosidic linkages strongly depend on the configuration at the fluorinated carbon of the pseudoacetal residue. It is also shown that these compounds resemble the inhibition ability of sialyl LeX towards P-selectin.
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