1dab

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{{STRUCTURE_1dab| PDB=1dab | SCENE= }}
{{STRUCTURE_1dab| PDB=1dab | SCENE= }}
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'''The Structure of Bordetella Pertussis Virulence Factor P.69 Pertactin'''
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===The Structure of Bordetella Pertussis Virulence Factor P.69 Pertactin===
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==Overview==
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A new generation of whooping-cough vaccines contain P.69 pertactin, a surface-exposed domain of an outer membrane protein expressed by the virulent bacterium Bordetella pertussis. This protein is a virulence factor that mediates adhesion to target mammalian cells, a reaction that is in part mediated by an RGD sequence. The X-ray crystal structure of P.69 pertactin has been determined to 2.5 A. The protein fold consists of a 16-stranded parallel beta-helix with a V-shaped cross-section, and is the largest beta-helix known to date. Several between-strand weakly conserved amino-acid repeats form internal and external ladders. The structure appears as a helix from which several loops protrude, which contain sequence motifs associated with the biological activity of the protein. One particular (GGXXP)5 sequence is located directly after the RGD motif, and may mediate interaction with epithelial cells. The carboxy-terminal region of P.69 pertactin incorporates a (PQP)5 motif loop containing the major immunoprotective epitope.
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{{ABSTRACT_PUBMED_8609998}}
==About this Structure==
==About this Structure==
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[[Category: Isaacs, N W.]]
[[Category: Isaacs, N W.]]
[[Category: Pertussis beta helix]]
[[Category: Pertussis beta helix]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:37:27 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 22:44:13 2008''

Revision as of 19:44, 30 June 2008

Image:1dab.png

Template:STRUCTURE 1dab

The Structure of Bordetella Pertussis Virulence Factor P.69 Pertactin

Template:ABSTRACT PUBMED 8609998

About this Structure

1DAB is a Single protein structure of sequence from Bordetella pertussis. Full crystallographic information is available from OCA.

Reference

Structure of Bordetella pertussis virulence factor P.69 pertactin., Emsley P, Charles IG, Fairweather NF, Isaacs NW, Nature. 1996 May 2;381(6577):90-2. PMID:8609998

Page seeded by OCA on Mon Jun 30 22:44:13 2008

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