1skr

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[[Image:1skr.png|left|200px]]
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==T7 DNA Polymerase Complexed To DNA Primer/Template and ddATP==
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<StructureSection load='1skr' size='340' side='right' caption='[[1skr]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1skr]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t7 Enterobacteria phage t7] and [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SKR OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1SKR FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=DAD:2,3-DIDEOXYADENOSINE-5-TRIPHOSPHATE'>DAD</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene><br>
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<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=2DA:2,3-DIDEOXYADENOSINE-5-MONOPHOSPHATE'>2DA</scene></td></tr>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1t7p|1t7p]], [[1sks|1sks]], [[1skw|1skw]], [[1sl0|1sl0]], [[1sl1|1sl1]], [[1sl2|1sl2]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10760 Enterobacteria phage T7]), TRXA, TSNC, FIPA, B3781, C4701, Z5291, ECS4714, STM3915, STMD1.75, STY3639, T3381, SF3854, S3905 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</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/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><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1skr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1skr OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1skr RCSB], [http://www.ebi.ac.uk/pdbsum/1skr 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/sk/1skr_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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Ultraviolet-induced DNA damage poses a lethal block to replication. To understand the structural basis for this, we determined crystal structures of a replicative DNA polymerase from bacteriophage T7 in complex with nucleotide substrates and a DNA template containing a cis-syn cyclobutane pyrimidine dimer (CPD). When the 3' thymine is the templating base, the CPD is rotated out of the polymerase active site and the fingers subdomain adopts an open orientation. When the 5' thymine is the templating base, the CPD lies within the polymerase active site where it base-pairs with the incoming nucleotide and the 3' base of the primer, while the fingers are in a closed conformation. These structures reveal the basis for the strong block of DNA replication that is caused by this photolesion.
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{{STRUCTURE_1skr| PDB=1skr | SCENE= }}
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Nucleotide insertion opposite a cis-syn thymine dimer by a replicative DNA polymerase from bacteriophage T7.,Li Y, Dutta S, Doublie S, Bdour HM, Taylor JS, Ellenberger T Nat Struct Mol Biol. 2004 Aug;11(8):784-90. Epub 2004 Jul 4. PMID:15235589<ref>PMID:15235589</ref>
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===T7 DNA Polymerase Complexed To DNA Primer/Template and ddATP===
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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_15235589}}
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==About this Structure==
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[[1skr]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t7 Enterobacteria phage t7] and [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SKR OCA].
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==See Also==
==See Also==
*[[DNA polymerase|DNA polymerase]]
*[[DNA polymerase|DNA polymerase]]
*[[Thioredoxin|Thioredoxin]]
*[[Thioredoxin|Thioredoxin]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:015235589</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: Enterobacteria phage t7]]
[[Category: Enterobacteria phage t7]]

Revision as of 22:02, 28 September 2014

T7 DNA Polymerase Complexed To DNA Primer/Template and ddATP

1skr, resolution 2.40Å

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OCA

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