1jx4

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[[Image:1jx4.png|left|200px]]
 
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==Crystal Structure of a Y-family DNA Polymerase in a Ternary Complex with DNA Substrates and an Incoming Nucleotide==
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The line below this paragraph, containing "STRUCTURE_1jx4", creates the "Structure Box" on the page.
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<StructureSection load='1jx4' size='340' side='right'caption='[[1jx4]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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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'>[[1jx4]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharolobus_solfataricus Saccharolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JX4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1JX4 FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.7&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=ADI:2,3-DIDEOXYADENOSINE-5-DIPHOSPHATE'>ADI</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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{{STRUCTURE_1jx4| PDB=1jx4 | SCENE= }}
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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=1jx4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jx4 OCA], [https://pdbe.org/1jx4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1jx4 RCSB], [https://www.ebi.ac.uk/pdbsum/1jx4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1jx4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DPO4_SACS2 DPO4_SACS2] Poorly processive, error-prone DNA polymerase involved in untargeted mutagenesis. Copies undamaged DNA at stalled replication forks, which arise in vivo from mismatched or misaligned primer ends. These misaligned primers can be extended by PolIV. Exhibits no 3'-5' exonuclease (proofreading) activity. It is involved in translesional synthesis.
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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/jx/1jx4_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1jx4 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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Sulfolobus solfataricus P2 DNA polymerase IV (Dpo4) is a DinB homolog that belongs to the recently described Y-family of DNA polymerases, which are best characterized by their low-fidelity synthesis on undamaged DNA templates and propensity to traverse normally replication-blocking lesions. Crystal structures of Dpo4 in ternary complexes with DNA and an incoming nucleotide, either correct or incorrect, have been solved at 1.7 A and 2.1 A resolution, respectively. Despite a conserved active site and a hand-like configuration similar to all known polymerases, Dpo4 makes limited and nonspecific contacts with the replicating base pair, thus relaxing base selection. Dpo4 is also captured in the crystal translocating two template bases to the active site at once, suggesting a possible mechanism for bypassing thymine dimers.
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===Crystal Structure of a Y-family DNA Polymerase in a Ternary Complex with DNA Substrates and an Incoming Nucleotide===
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Crystal structure of a Y-family DNA polymerase in action: a mechanism for error-prone and lesion-bypass replication.,Ling H, Boudsocq F, Woodgate R, Yang W Cell. 2001 Oct 5;107(1):91-102. PMID:11595188<ref>PMID:11595188</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_11595188}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 1jx4" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11595188 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11595188}}
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==About this Structure==
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[[1jx4]] is a 3 chain structure of [[DNA polymerase]] with sequence from [http://en.wikipedia.org/wiki/Sulfolobus_solfataricus Sulfolobus solfataricus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1JX4 OCA].
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==See Also==
==See Also==
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*[[DNA polymerase]]
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*[[DNA polymerase 3D structures|DNA polymerase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:011595188</ref><references group="xtra"/>
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__TOC__
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[[Category: DNA-directed DNA polymerase]]
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</StructureSection>
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[[Category: Sulfolobus solfataricus]]
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[[Category: Large Structures]]
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[[Category: Boudsocq, F.]]
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[[Category: Saccharolobus solfataricus]]
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[[Category: Ling, H.]]
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[[Category: Boudsocq F]]
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[[Category: Woodgate, R.]]
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[[Category: Ling H]]
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[[Category: Yang, W.]]
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[[Category: Woodgate R]]
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[[Category: Dna polymerase]]
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[[Category: Yang W]]
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[[Category: Protein-dna complex]]
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[[Category: Transferase-dna complex]]
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[[Category: Y-family]]
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Current revision

Crystal Structure of a Y-family DNA Polymerase in a Ternary Complex with DNA Substrates and an Incoming Nucleotide

PDB ID 1jx4

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