1ub4

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|GENE= mazF ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), MazE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])
|GENE= mazF ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli]), MazE ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=PRK09907 PRK09907], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=PRK09798 PRK09798]</span>
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=PRK09907 PRK09907], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=PRK09798 PRK09798]</span>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ub4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ub4 OCA], [http://www.ebi.ac.uk/pdbsum/1ub4 PDBsum], [http://www.fli-leibniz.de/cgi-bin/ImgLib.pl?CODE=1kfv JenaLib], [http://www.rcsb.org/pdb/explore.do?structureId=1ub4 RCSB]</span>
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1ub4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ub4 OCA], [http://www.ebi.ac.uk/pdbsum/1ub4 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1ub4 RCSB]</span>
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[[Category: toxin]]
[[Category: toxin]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Mar 26 06:09:19 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 00:07:49 2008''

Revision as of 21:07, 30 March 2008

Image:1ub4.gif


PDB ID 1ub4

Drag the structure with the mouse to rotate
, resolution 1.70Å
Gene: mazF (Escherichia coli), MazE (Escherichia coli)
Domains: PRK09907, PRK09798
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



crystal structure of MazEF complex


Overview

A structure of the Escherichia coli chromosomal MazE/MazF addiction module has been determined at 1.7 A resolution. Addiction modules consist of stable toxin and unstable antidote proteins that govern bacterial cell death. MazE (antidote) and MazF (toxin) form a linear heterohexamer composed of alternating toxin and antidote homodimers (MazF(2)-MazE(2)-MazF(2)). The MazE homodimer contains a beta barrel from which two extended C termini project, making interactions with flanking MazF homodimers that resemble the plasmid-encoded toxins CcdB and Kid. The MazE/MazF heterohexamer structure documents that the mechanism of antidote-toxin recognition is common to both chromosomal and plasmid-borne addiction modules, and provides general molecular insights into toxin function, antidote degradation in the absence of toxin, and promoter DNA binding by antidote/toxin complexes.

About this Structure

1UB4 is a Protein complex structure of sequences from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Crystal structure of the MazE/MazF complex: molecular bases of antidote-toxin recognition., Kamada K, Hanaoka F, Burley SK, Mol Cell. 2003 Apr;11(4):875-84. PMID:12718874

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