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@inproceedings{488300,
author = {Wimmerová, Michaela and Mitchell, Edward and Sanchez, JeanandFrederic and Gautier, Catherine and LortatandJacob, Hugues and GilboaandGarber, Nechama and Imberty, Anne},
address = {Grenoble, France},
booktitle = {12th European Carbohydrate Symposium},
keywords = {aleuria aurantia; lectin; crystal structure; fungi},
language = {eng},
location = {Grenoble, France},
pages = {93-93},
publisher = {CERMAV-CNRS},
title = {Aleuria aurantia lectin displays novel binding mode for fucose. Crystal structure and ligand interaction of a new family of fucolectins.},
year = {2003}
}
TY - JOUR
ID - 488300
AU - Wimmerová, Michaela - Mitchell, Edward - Sanchez, Jean-Frederic - Gautier, Catherine - Lortat-Jacob, Hugues - Gilboa-Garber, Nechama - Imberty, Anne
PY - 2003
TI - Aleuria aurantia lectin displays novel binding mode for fucose. Crystal structure and ligand interaction of a new family of fucolectins.
PB - CERMAV-CNRS
CY - Grenoble, France
KW - aleuria aurantia
KW - lectin
KW - crystal structure
KW - fungi
N2 - Aleuria aurantia lectin (AAL) is a fungal protein that specifically recognised fucose moiety in glycans. The crystal structure of AAL complexed with fucose has been solved at 1.5 A resolution. AAL displays a dimer composition, each subunit consists of a six-bladed beta-propeller fold and of a small antiparallel two-strands beta-sheet that play a role in dimerization. Primary sequence of AAL contains six internal repeats [1] corresponded to particular blades, crystal structure reveals five fucose molecules per AAL monomer in binding sites formed by two adjacent blades. Surface plasmon resonance experiments have been performed on a series of fucose containing oligosaccharides to determine equilibrium dissociation constants for lectine-oligosaccharide interaction. Measurements confirm the broad specificity of the lectin, with a slight preference for alpha-Fuc1-2Gal disaccharide. AAL shows high sequence similarity with a lectin from plant pathogenic bacterium Ralstonia solanacearum (RSL) [2]. As RSL is smaller (91 amino acid residues compared to 312 of AAL), only two typical internal repeats can be found in sequence. SPR studies demonstrated that RSL shares similar specificity as AAL but highly prefers alpha-Fuc1-2 linkage. [1] Fukumori, F., Takeuchi, N., Hagiwara, T., Ohbayashi, H., Endo, T., Kochibe, N., Nagata, Y., and Kobata, A J. Biochem. 107, 190-196 (1990) [2] Sudakevitz, D., Imberty, A., and Gilboa-Garber, N., J. Biochem. 132, 353-358 (2002)
ER -
WIMMEROVÁ, Michaela, Edward MITCHELL, Jean-Frederic SANCHEZ, Catherine GAUTIER, Hugues LORTAT-JACOB, Nechama GILBOA-GARBER and Anne IMBERTY. Aleuria aurantia lectin displays novel binding mode for fucose. Crystal structure and ligand interaction of a new family of fucolectins. In \textit{12th European Carbohydrate Symposium}. Grenoble, France: CERMAV-CNRS, 2003, p.~93.
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