1z19

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{{Seed}}
 
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[[Image:1z19.png|left|200px]]
 
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==Crystal structure of a lambda integrase(75-356) dimer bound to a COC' core site==
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The line below this paragraph, containing "STRUCTURE_1z19", creates the "Structure Box" on the page.
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<StructureSection load='1z19' size='340' side='right'caption='[[1z19]], [[Resolution|resolution]] 2.80&Aring;' 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'>[[1z19]] is a 5 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_virus_Lambda Escherichia virus Lambda]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Z19 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Z19 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">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=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PTR:O-PHOSPHOTYROSINE'>PTR</scene></td></tr>
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{{STRUCTURE_1z19| PDB=1z19 | 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=1z19 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1z19 OCA], [https://pdbe.org/1z19 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1z19 RCSB], [https://www.ebi.ac.uk/pdbsum/1z19 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1z19 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/VINT_LAMBD VINT_LAMBD] Integrase is necessary for integration of the phage into the host genome by site-specific recombination. In conjunction with excisionase, integrase is also necessary for excision of the prophage from the host genome.
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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/z1/1z19_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=1z19 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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Site-specific DNA recombination is important for basic cellular functions including viral integration, control of gene expression, production of genetic diversity and segregation of newly replicated chromosomes, and is used by bacteriophage lambda to integrate or excise its genome into and out of the host chromosome. lambda recombination is carried out by the bacteriophage-encoded integrase protein (lambda-int) together with accessory DNA sites and associated bending proteins that allow regulation in response to cell physiology. Here we report the crystal structures of lambda-int in higher-order complexes with substrates and regulatory DNAs representing different intermediates along the reaction pathway. The structures show how the simultaneous binding of two separate domains of lambda-int to DNA facilitates synapsis and can specify the order of DNA strand cleavage and exchange. An intertwined layer of amino-terminal domains bound to accessory (arm) DNAs shapes the recombination complex in a way that suggests how arm binding shifts the reaction equilibrium in favour of recombinant products.
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===Crystal structure of a lambda integrase(75-356) dimer bound to a COC' core site===
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A structural basis for allosteric control of DNA recombination by lambda integrase.,Biswas T, Aihara H, Radman-Livaja M, Filman D, Landy A, Ellenberger T Nature. 2005 Jun 23;435(7045):1059-66. PMID:15973401<ref>PMID:15973401</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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<div class="pdbe-citations 1z19" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_15973401}}, adds the Publication Abstract to the page
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*[[Retroviral integrase 3D structures|Retroviral integrase 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 15973401 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_15973401}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Escherichia virus Lambda]]
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1Z19 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_lambda Enterobacteria phage lambda]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Z19 OCA].
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[[Category: Large Structures]]
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[[Category: Aihara H]]
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==Reference==
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[[Category: Biswas T]]
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A structural basis for allosteric control of DNA recombination by lambda integrase., Biswas T, Aihara H, Radman-Livaja M, Filman D, Landy A, Ellenberger T, Nature. 2005 Jun 23;435(7045):1059-66. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15973401 15973401]
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[[Category: Ellenberger T]]
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[[Category: Enterobacteria phage lambda]]
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[[Category: Filman D]]
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[[Category: Single protein]]
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[[Category: Landy A]]
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[[Category: Aihara, H.]]
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[[Category: Radman-Livaja M]]
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[[Category: Biswas, T.]]
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[[Category: Ellenberger, T.]]
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[[Category: Filman, D.]]
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[[Category: Landy, A.]]
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[[Category: Radman-Livaja, M.]]
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[[Category: Protein-dna complex]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 12:06:46 2008''
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Current revision

Crystal structure of a lambda integrase(75-356) dimer bound to a COC' core site

PDB ID 1z19

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