3glh

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[[Image:3glh.png|left|200px]]
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==Crystal Structure of the E. coli clamp loader bound to Psi Peptide==
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<StructureSection load='3glh' size='340' side='right' caption='[[3glh]], [[Resolution|resolution]] 3.89&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3glh]] is a 15 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GLH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3GLH FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1jr3|1jr3]], [[1xxh|1xxh]], [[1xxi|1xxi]], [[3glf|3glf]], [[3glg|3glg]], [[3gli|3gli]]</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">holA, b0640, JW0635 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12]), dnaX, dnaZ, dnaZX, b0470, JW0459 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12]), holB, b1099, JW1085 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 Escherichia coli K-12])</td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/DNA-directed_DNA_polymerase DNA-directed DNA polymerase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.7 2.7.7.7] </span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3glh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3glh OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3glh RCSB], [http://www.ebi.ac.uk/pdbsum/3glh PDBsum]</span></td></tr>
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</table>
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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/gl/3glh_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/chain_selection.php?pdb_ID=2ata 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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Clamp loaders load sliding clamps onto primer-template DNA. The structure of the E. coli clamp loader bound to DNA reveals the formation of an ATP-dependent spiral of ATPase domains that tracks only the template strand, allowing recognition of both RNA and DNA primers. Unlike hexameric helicases, in which DNA translocation requires distinct conformations of the ATPase domains, the clamp loader spiral is symmetric and is set up to trigger release upon DNA recognition. Specificity for primed DNA arises from blockage of the end of the primer and accommodation of the emerging template along a surface groove. A related structure reveals how the psi protein, essential for coupling the clamp loader to single-stranded DNA-binding protein (SSB), binds to the clamp loader. By stabilizing a conformation of the clamp loader that is consistent with the ATPase spiral observed upon DNA binding, psi binding promotes the clamp-loading activity of the complex.
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{{STRUCTURE_3glh| PDB=3glh | SCENE= }}
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The mechanism of ATP-dependent primer-template recognition by a clamp loader complex.,Simonetta KR, Kazmirski SL, Goedken ER, Cantor AJ, Kelch BA, McNally R, Seyedin SN, Makino DL, O'Donnell M, Kuriyan J Cell. 2009 May 15;137(4):659-71. PMID:19450514<ref>PMID:19450514</ref>
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===Crystal Structure of the E. coli clamp loader bound to Psi Peptide===
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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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{{ABSTRACT_PUBMED_19450514}}
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==About this Structure==
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[[3glh]] is a 15 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3GLH OCA].
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==See Also==
==See Also==
*[[DNA polymerase|DNA polymerase]]
*[[DNA polymerase|DNA polymerase]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:019450514</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: DNA-directed DNA polymerase]]
[[Category: DNA-directed DNA polymerase]]
[[Category: Escherichia coli k-12]]
[[Category: Escherichia coli k-12]]
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[[Category: Kazmirski, S L.]]
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[[Category: Kazmirski, S L]]
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[[Category: Kuriyan, J.]]
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[[Category: Kuriyan, J]]
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[[Category: Simonetta, K R.]]
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[[Category: Simonetta, K R]]
[[Category: Atp-binding]]
[[Category: Atp-binding]]
[[Category: Clamp loader]]
[[Category: Clamp loader]]
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[[Category: Nucleotide-binding]]
[[Category: Nucleotide-binding]]
[[Category: Nucleotidyltransferase]]
[[Category: Nucleotidyltransferase]]
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[[Category: Psi]]
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[[Category: PSI, Protein structure initiative]]
[[Category: Replication]]
[[Category: Replication]]
[[Category: Transferase]]
[[Category: Transferase]]

Revision as of 09:16, 8 December 2014

Crystal Structure of the E. coli clamp loader bound to Psi Peptide

3glh, resolution 3.89Å

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