1iqp

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[[Image:1iqp.png|left|200px]]
 
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{{STRUCTURE_1iqp| PDB=1iqp | SCENE= }}
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==Crystal Structure of the Clamp Loader Small Subunit from Pyrococcus furiosus==
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<StructureSection load='1iqp' size='340' side='right'caption='[[1iqp]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1iqp]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IQP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IQP 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]] 2.8&#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=ADP:ADENOSINE-5-DIPHOSPHATE'>ADP</scene></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=1iqp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iqp OCA], [https://pdbe.org/1iqp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iqp RCSB], [https://www.ebi.ac.uk/pdbsum/1iqp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iqp ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RFCS_PYRFU RFCS_PYRFU] Part of the RFC clamp loader complex which loads the PCNA sliding clamp onto DNA. The complex possesses DNA-dependent ATPase activity which is further stimulated by PCNA.<ref>PMID:11274122</ref> <ref>PMID:12296822</ref>
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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/iq/1iqp_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=1iqp 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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In eukaryotic DNA replication, replication factor-C (RFC) acts as the clamp loader, which correctly installs the sliding clamp onto DNA strands at replication forks. The eukaryotic RFC is a complex consisting of one large and four small subunits. We have determined the crystal structure of the clamp loader small subunit (RFCS) from Pyrococcus furiosus. The six subunits, of which four bind ADP in their canonical nucleotide binding clefts, assemble into a dimer of semicircular trimers. The crescent-like architecture of each subunit formed by the three domains resembles that of the delta' subunit of the E. coli clamp loader. The trimeric architecture of archaeal RFCS, with its mobile N-terminal domains, involves intersubunit interactions that may be conserved in eukaryotic functional complexes.
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===Crystal Structure of the Clamp Loader Small Subunit from Pyrococcus furiosus===
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Atomic structure of the clamp loader small subunit from Pyrococcus furiosus.,Oyama T, Ishino Y, Cann IK, Ishino S, Morikawa K Mol Cell. 2001 Aug;8(2):455-63. PMID:11545747<ref>PMID:11545747</ref>
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{{ABSTRACT_PUBMED_11545747}}
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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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==About this Structure==
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<div class="pdbe-citations 1iqp" style="background-color:#fffaf0;"></div>
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[[1iqp]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Pyrococcus_furiosus Pyrococcus furiosus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IQP OCA].
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== References ==
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<references/>
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==Reference==
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__TOC__
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<ref group="xtra">PMID:011545747</ref><references group="xtra"/>
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Pyrococcus furiosus]]
[[Category: Pyrococcus furiosus]]
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[[Category: Cann, I K.O.]]
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[[Category: Cann IKO]]
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[[Category: Ishino, S.]]
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[[Category: Ishino S]]
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[[Category: Ishino, Y.]]
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[[Category: Ishino Y]]
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[[Category: Morikawa, K.]]
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[[Category: Morikawa K]]
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[[Category: Oyama, T.]]
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[[Category: Oyama T]]
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[[Category: Clamp loader]]
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[[Category: Complex with adp]]
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[[Category: Extended aaa-atpase domain]]
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[[Category: Replication]]
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Current revision

Crystal Structure of the Clamp Loader Small Subunit from Pyrococcus furiosus

PDB ID 1iqp

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