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1gzt
From Proteopedia
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'''PSEUDOMONAS AERUGINOSA LECTIN II (PA-IIL) TOGETHER WITH FUCOSE''' | '''PSEUDOMONAS AERUGINOSA LECTIN II (PA-IIL) TOGETHER WITH FUCOSE''' | ||
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[[Category: Imberty, A.]] | [[Category: Imberty, A.]] | ||
[[Category: Mitchell, E.]] | [[Category: Mitchell, E.]] | ||
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| - | [[Category: | + | [[Category: Sugar-binding protein]] |
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Revision as of 15:13, 2 May 2008
PSEUDOMONAS AERUGINOSA LECTIN II (PA-IIL) TOGETHER WITH FUCOSE
Overview
Pseudomonas aeruginosa galactose- and fucose-binding lectins (PA-IL and PA-IIL) contribute to the virulence of this pathogenic bacterium, which is a major cause of morbidity and mortality in cystic fibrosis patients. The crystal structure of PA-IIL in complex with fucose reveals a tetrameric structure. Each monomer displays a nine-stranded, antiparallel b-sandwich arrangement and contains two close calcium cations that mediate the binding of fucose in a recognition mode unique among carbohydrate-protein interactions. Experimental binding studies, together with theoretical docking of fucose-containing oligosaccharides, are consistent with the assumption that antigens of the Lewis a (Le(a)) series may be the preferred ligands of this lectin. Precise knowledge of the lectin-binding site should allow a better design of new antibacterial-adhesion prophylactics.
About this Structure
1GZT is a Single protein structure of sequence from Pseudomonas aeruginosa. Full crystallographic information is available from OCA.
Reference
Structural basis for oligosaccharide-mediated adhesion of Pseudomonas aeruginosa in the lungs of cystic fibrosis patients., Mitchell E, Houles C, Sudakevitz D, Wimmerova M, Gautier C, Perez S, Wu AM, Gilboa-Garber N, Imberty A, Nat Struct Biol. 2002 Dec;9(12):918-21. PMID:12415289 Page seeded by OCA on Fri May 2 18:13:50 2008
