2fe3

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{{STRUCTURE_2fe3| PDB=2fe3 | SCENE= }}
{{STRUCTURE_2fe3| PDB=2fe3 | SCENE= }}
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'''The crystal structure of bacillus subtilis PerR-Zn reveals a novel Zn(Cys)4 Structural redox switch'''
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===The crystal structure of bacillus subtilis PerR-Zn reveals a novel Zn(Cys)4 Structural redox switch===
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==Overview==
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Bacteria adapt to elevated levels of Reactive Oxygen Species (ROS) by increasing the expression of defence and repair proteins, which is regulated by ROS responsive transcription factors. In Bacillus subtilis the zinc protein PerR, a peroxide sensor that binds DNA in the presence of a regulatory metal Mn2+ or Fe2+, mediates the adaptive response to H2O2. This study presents the first crystal structure of apo-PerR-Zn which shows that all four cysteine residues of the protein are involved in zinc co-ordination. The Zn(Cys)4 site locks the dimerization domain and stabilizes the dimer. Sequence alignment of PerR-like proteins supports that this structural site may constitute a distinctive feature of this class of peroxide stress regulators.
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(as it appears on PubMed at http://www.pubmed.gov), where 16925555 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16925555}}
==About this Structure==
==About this Structure==
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[[Category: Dna binding protein]]
[[Category: Dna binding protein]]
[[Category: Oxidative stress regulator]]
[[Category: Oxidative stress regulator]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 03:47:15 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:12:52 2008''

Revision as of 17:12, 28 July 2008

Image:2fe3.png

Template:STRUCTURE 2fe3

The crystal structure of bacillus subtilis PerR-Zn reveals a novel Zn(Cys)4 Structural redox switch

Template:ABSTRACT PUBMED 16925555

About this Structure

2FE3 is a Single protein structure of sequence from Bacillus subtilis. Full crystallographic information is available from OCA.

Reference

Crystal structure of the apo-PerR-Zn protein from Bacillus subtilis., Traore DA, El Ghazouani A, Ilango S, Dupuy J, Jacquamet L, Ferrer JL, Caux-Thang C, Duarte V, Latour JM, Mol Microbiol. 2006 Sep;61(5):1211-9. PMID:16925555

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