2xzu

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[[Image:2xzu.jpg|left|200px]]
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==CRYSTAL STRUCTURE OF A COMPLEX BETWEEN THE WILD-TYPE LACTOCOCCUS LACTIS FPG (MUTM) AND AN OXIDIZED PYRIMIDINE CONTAINING DNA AT 310K==
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<StructureSection load='2xzu' size='340' side='right' caption='[[2xzu]], [[Resolution|resolution]] 1.82&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[2xzu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Lactococcus_lactis Lactococcus lactis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XZU OCA]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=VET:[(1R,2S,4R)-2-HYDROXY-4-[(5R)-5-HYDROXY-5-METHYL-2,4-DIOXO-IMIDAZOLIDIN-1-YL]CYCLOPENTYL]METHYL+DIHYDROGEN+PHOSPHATE'>VET</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1tdz|1tdz]], [[2xzf|2xzf]], [[1nnj|1nnj]], [[1pm5|1pm5]], [[1pji|1pji]], [[1xc8|1xc8]], [[1kfv|1kfv]], [[1pjj|1pjj]]</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2xzu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2xzu OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2xzu RCSB], [http://www.ebi.ac.uk/pdbsum/2xzu PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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DNA base-damage recognition in the base excision repair (BER) is a process operating on a wide variety of alkylated, oxidized and degraded bases. DNA glycosylases are the key enzymes which initiate the BER pathway by recognizing and excising the base damages guiding the damaged DNA through repair synthesis. We report here biochemical and structural evidence for the irreversible entrapment of DNA glycosylases by 5-hydroxy-5-methylhydantoin, an oxidized thymine lesion. The first crystal structure of a suicide complex between DNA glycosylase and unrepaired DNA has been solved. In this structure, the formamidopyrimidine-(Fapy) DNA glycosylase from Lactococcus lactis (LlFpg/LlMutM) is covalently bound to the hydantoin carbanucleoside-containing DNA. Coupling a structural approach by solving also the crystal structure of the non-covalent complex with site directed mutagenesis, this atypical suicide reaction mechanism was elucidated. It results from the nucleophilic attack of the catalytic N-terminal proline of LlFpg on the C5-carbon of the base moiety of the hydantoin lesion. The biological significance of this finding is discussed.
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5-Hydroxy-5-methylhydantoin DNA lesion, a molecular trap for DNA glycosylases.,Le Bihan YV, Angeles Izquierdo M, Coste F, Aller P, Culard F, Gehrke TH, Essalhi K, Carell T, Castaing B Nucleic Acids Res. 2011 Aug;39(14):6277-90. Epub 2011 Apr 12. PMID:21486746<ref>PMID:21486746</ref>
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The line below this paragraph, containing "STRUCTURE_2xzu", creates the "Structure Box" on the page.
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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or leave the SCENE parameter empty for the default display.
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{{STRUCTURE_2xzu| PDB=2xzu | SCENE= }}
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===CRYSTAL STRUCTURE OF A COMPLEX BETWEEN THE WILD-TYPE LACTOCOCCUS LACTIS FPG (MUTM) AND AN OXIDIZED PYRIMIDINE CONTAINING DNA AT 310K===
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
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</div>
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== References ==
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<references/>
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The line below this paragraph, {{ABSTRACT_PUBMED_21486746}}, adds the Publication Abstract to the page
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__TOC__
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(as it appears on PubMed at http://www.pubmed.gov), where 21486746 is the PubMed ID number.
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</StructureSection>
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{{ABSTRACT_PUBMED_21486746}}
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==About this Structure==
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[[2xzu]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Lactococcus_lactis Lactococcus lactis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2XZU OCA].
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==Reference==
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<ref group="xtra">PMID:021486746</ref><references group="xtra"/>
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[[Category: Lactococcus lactis]]
[[Category: Lactococcus lactis]]
[[Category: Aller, P.]]
[[Category: Aller, P.]]

Revision as of 07:49, 14 May 2014

CRYSTAL STRUCTURE OF A COMPLEX BETWEEN THE WILD-TYPE LACTOCOCCUS LACTIS FPG (MUTM) AND AN OXIDIZED PYRIMIDINE CONTAINING DNA AT 310K

2xzu, resolution 1.82Å

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