1xna

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{{Seed}}
 
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[[Image:1xna.png|left|200px]]
 
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==NMR SOLUTION STRUCTURE OF THE SINGLE-STRAND BREAK REPAIR PROTEIN XRCC1-N-TERMINAL DOMAIN==
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The line below this paragraph, containing "STRUCTURE_1xna", creates the "Structure Box" on the page.
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<StructureSection load='1xna' size='340' side='right'caption='[[1xna]]' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1xna]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XNA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1XNA FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Solution NMR</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1xna FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1xna OCA], [https://pdbe.org/1xna PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1xna RCSB], [https://www.ebi.ac.uk/pdbsum/1xna PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1xna ProSAT]</span></td></tr>
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{{STRUCTURE_1xna| PDB=1xna | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/XRCC1_HUMAN XRCC1_HUMAN] Corrects defective DNA strand-break repair and sister chromatid exchange following treatment with ionizing radiation and alkylating agents.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/xn/1xna_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1xna ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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XRCC1 functions in the repair of single-strand DNA breaks in mammalian cells and forms a repair complex with beta-Pol, ligase III and PARP. Here we describe the NMR solution structure of the XRCC1 N-terminal domain (XRCC1 NTD). The structural core is a beta-sandwich with beta-strands connected by loops, three helices and two short two-stranded beta-sheets at each connection side. We show, for the first time, that the XRCC1 NTD specifically binds single-strand break DNA (gapped and nicked). We also show that the XRCC1 NTD binds a gapped DNA-beta-Pol complex. The DNA binding and beta-Pol binding surfaces were mapped by NMR and found to be well suited for interaction with single-strand gap DNA containing a 90 degrees bend, and for simultaneously making contacts with the palm-thumb of beta-Pol in a ternary complex. The findings suggest a mechanism for preferential binding of the XRCC1 NTD to flexible single-strand break DNA.
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===NMR SOLUTION STRUCTURE OF THE SINGLE-STRAND BREAK REPAIR PROTEIN XRCC1-N-TERMINAL DOMAIN===
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Solution structure of the single-strand break repair protein XRCC1 N-terminal domain.,Marintchev A, Mullen MA, Maciejewski MW, Pan B, Gryk MR, Mullen GP Nat Struct Biol. 1999 Sep;6(9):884-93. PMID:10467102<ref>PMID:10467102</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_10467102}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1xna" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 10467102 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_10467102}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1XNA is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1XNA OCA].
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==Reference==
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<ref group="xtra">PMID:10467102</ref><references group="xtra"/>
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Marintchev, A.]]
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[[Category: Large Structures]]
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[[Category: Mullen, G P.]]
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[[Category: Marintchev A]]
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[[Category: 3d nmr]]
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[[Category: Mullen GP]]
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[[Category: Beta sandwich]]
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[[Category: Dna polymerase-beta binding]]
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[[Category: Dna repair]]
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[[Category: Single-strand break dna binding]]
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[[Category: Xrcc1]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 06:41:28 2009''
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Current revision

NMR SOLUTION STRUCTURE OF THE SINGLE-STRAND BREAK REPAIR PROTEIN XRCC1-N-TERMINAL DOMAIN

PDB ID 1xna

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