1pto
From Proteopedia
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'''THE STRUCTURE OF A PERTUSSIS TOXIN-SUGAR COMPLEX AS A MODEL FOR RECEPTOR BINDING''' | '''THE STRUCTURE OF A PERTUSSIS TOXIN-SUGAR COMPLEX AS A MODEL FOR RECEPTOR BINDING''' | ||
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[[Category: Read, R J.]] | [[Category: Read, R J.]] | ||
[[Category: Stein, P E.]] | [[Category: Stein, P E.]] | ||
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- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:28:17 2008'' | |
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Revision as of 02:28, 3 May 2008
THE STRUCTURE OF A PERTUSSIS TOXIN-SUGAR COMPLEX AS A MODEL FOR RECEPTOR BINDING
Overview
Pertussis toxin is an exotoxin from the bacterium Bordetella pertussis which is important the pathogenesis of whooping cough and the generation of a protective immune response. The diverse biological activities of the toxin depend on its ability to recognize carbohydrate-containing receptors on a wide variety of eukaryotic cells. We present here the crystal structure of pertussis toxin complexed with a soluble oligosaccharide from transferrin. Binding sites for the terminal sialic acid-galactose moiety are revealed on both subunits S2 and S3 of the B-oligomer. Identification of amino acid residues involved in receptor binding will improve the design of genetically inactivated toxins for use in new acellular whooping cough vaccines.
About this Structure
1PTO is a Protein complex structure of sequences from Bordetella pertussis. Full crystallographic information is available from OCA.
Reference
Structure of a pertussis toxin-sugar complex as a model for receptor binding., Stein PE, Boodhoo A, Armstrong GD, Heerze LD, Cockle SA, Klein MH, Read RJ, Nat Struct Biol. 1994 Sep;1(9):591-6. PMID:7634099 Page seeded by OCA on Sat May 3 05:28:17 2008