2oqz

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[[Image:2oqz.jpg|left|200px]]
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{{Seed}}
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[[Image:2oqz.png|left|200px]]
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{{STRUCTURE_2oqz| PDB=2oqz | SCENE= }}
{{STRUCTURE_2oqz| PDB=2oqz | SCENE= }}
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'''The crystal structure of sortase B from B.anthracis in complex with AAEK2'''
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===The crystal structure of sortase B from B.anthracis in complex with AAEK2===
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==Overview==
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Sortases anchor surface proteins to the cell wall of Gram-positive pathogens through recognition of specific motif sequences. Loss of sortase leads to large reductions in virulence, which identifies sortase as a target for the development of antibacterials. By screening 135,625 small molecules for inhibition, we report here that aryl (beta-amino)ethyl ketones inhibit sortase enzymes from staphylococci and bacilli. Inhibition of sortases occurs through an irreversible, covalent modification of their active site cysteine. Sortases specifically activate this class of molecules via beta-elimination, generating a reactive olefin intermediate that covalently modifies the cysteine thiol. Analysis of the three-dimensional structure of Bacillus anthracis sortase B with and without inhibitor provides insights into the mechanism of inhibition and reveals binding pockets that can be exploited for drug discovery.
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(as it appears on PubMed at http://www.pubmed.gov), where 17545669 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17545669}}
==About this Structure==
==About this Structure==
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[[Category: Inhibitor]]
[[Category: Inhibitor]]
[[Category: Sortase b protein]]
[[Category: Sortase b protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 11:29:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 03:22:56 2008''

Revision as of 00:23, 29 July 2008

Image:2oqz.png

Template:STRUCTURE 2oqz

The crystal structure of sortase B from B.anthracis in complex with AAEK2

Template:ABSTRACT PUBMED 17545669

About this Structure

2OQZ is a Single protein structure of sequence from Bacillus anthracis. Full crystallographic information is available from OCA.

Reference

Activation of inhibitors by sortase triggers irreversible modification of the active site., Maresso AW, Wu R, Kern JW, Zhang R, Janik D, Missiakas DM, Duban ME, Joachimiak A, Schneewind O, J Biol Chem. 2007 Aug 10;282(32):23129-39. Epub 2007 Jun 1. PMID:17545669

Page seeded by OCA on Tue Jul 29 03:22:56 2008

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