1tyv

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{{STRUCTURE_1tyv| PDB=1tyv | SCENE= }}
{{STRUCTURE_1tyv| PDB=1tyv | SCENE= }}
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'''STRUCTURE OF TAILSPIKE-PROTEIN'''
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===STRUCTURE OF TAILSPIKE-PROTEIN===
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==Overview==
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The O-antigenic repeating units of lipopolysaccharides from Salmonella serogroups A, B, and D1 serve as receptors for the phage P22 tailspike protein, which also has receptor destroying endoglycosidase (endorhamnosidase) activity, integrating the functions of both hemagglutinin and neuraminidase in influenza virus. Crystal structures of the tailspike protein in complex with oligosaccharides, comprising two O-antigenic repeating units from Salmonella typhimurium, Salmonella enteritidis, and Salmonella typhi 253Ty were determined at 1.8 A resolution. The active-site topology with Asp-392, Asp-395, and Glu-359 as catalytic residues was identified. Kinetics of binding and cleavage suggest a role of the receptor destroying endorhamnosidase activity primarily for detachment of newly assembled phages.
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(as it appears on PubMed at http://www.pubmed.gov), where 8855221 is the PubMed ID number.
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{{ABSTRACT_PUBMED_8855221}}
==About this Structure==
==About this Structure==
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[[Category: Recognition]]
[[Category: Recognition]]
[[Category: Viral adhesion protein]]
[[Category: Viral adhesion protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 11:01:30 2008''

Revision as of 08:01, 29 July 2008

Image:1tyv.png

Template:STRUCTURE 1tyv

STRUCTURE OF TAILSPIKE-PROTEIN

Template:ABSTRACT PUBMED 8855221

About this Structure

1TYV is a Single protein structure of sequence from Enterobacteria phage p22. Full crystallographic information is available from OCA.

Reference

Crystal structure of phage P22 tailspike protein complexed with Salmonella sp. O-antigen receptors., Steinbacher S, Baxa U, Miller S, Weintraub A, Seckler R, Huber R, Proc Natl Acad Sci U S A. 1996 Oct 1;93(20):10584-8. PMID:8855221

Page seeded by OCA on Tue Jul 29 11:01:30 2008

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