2ixs

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{{Seed}}
 
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[[Image:2ixs.png|left|200px]]
 
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==Structure of SdaI restriction endonuclease==
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The line below this paragraph, containing "STRUCTURE_2ixs", creates the "Structure Box" on the page.
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<StructureSection load='2ixs' size='340' side='right'caption='[[2ixs]], [[Resolution|resolution]] 2.00&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'>[[2ixs]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptomyces_diastaticus Streptomyces diastaticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IXS OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IXS 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&#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=EPE:4-(2-HYDROXYETHYL)-1-PIPERAZINE+ETHANESULFONIC+ACID'>EPE</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene></td></tr>
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{{STRUCTURE_2ixs| PDB=2ixs | 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=2ixs FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ixs OCA], [https://pdbe.org/2ixs PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ixs RCSB], [https://www.ebi.ac.uk/pdbsum/2ixs PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ixs ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/C4P954_STRDI C4P954_STRDI]
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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/ix/2ixs_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=2ixs 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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Rare-cutting restriction enzymes are important tools in genome analysis. We report here the crystal structure of SdaI restriction endonuclease, which is specific for the 8 bp sequence CCTGCA/GG ("/" designates the cleavage site). Unlike orthodox Type IIP enzymes, which are single domain proteins, the SdaI monomer is composed of two structural domains. The N domain contains a classical winged helix-turn-helix (wHTH) DNA binding motif, while the C domain shows a typical restriction endonuclease fold. The active site of SdaI is located within the C domain and represents a variant of the canonical PD-(D/E)XK motif. SdaI determinants of sequence specificity are clustered on the recognition helix of the wHTH motif at the N domain. The modular architecture of SdaI, wherein one domain mediates DNA binding while the other domain is predicted to catalyze hydrolysis, distinguishes SdaI from previously characterized restriction enzymes interacting with symmetric recognition sequences.
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===STRUCTURE OF SDAI RESTRICTION ENDONUCLEASE===
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The crystal structure of the rare-cutting restriction enzyme SdaI reveals unexpected domain architecture.,Tamulaitiene G, Jakubauskas A, Urbanke C, Huber R, Grazulis S, Siksnys V Structure. 2006 Sep;14(9):1389-400. PMID:16962970<ref>PMID:16962970</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 2ixs" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_16962970}}, adds the Publication Abstract to the page
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*[[Endonuclease 3D structures|Endonuclease 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 16962970 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16962970}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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2IXS is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Streptomyces_diastaticus Streptomyces diastaticus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IXS OCA].
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==Reference==
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<ref group="xtra">PMID:16962970</ref><references group="xtra"/>
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[[Category: Streptomyces diastaticus]]
[[Category: Streptomyces diastaticus]]
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[[Category: Type II site-specific deoxyribonuclease]]
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[[Category: Grazulis S]]
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[[Category: Grazulis, S.]]
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[[Category: Huber R]]
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[[Category: Huber, R.]]
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[[Category: Jakubauskas A]]
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[[Category: Jakubauskas, A.]]
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[[Category: Siksnys V]]
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[[Category: Siksnys, V.]]
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[[Category: Tamulaitiene G]]
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[[Category: Tamulaitiene, G.]]
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[[Category: Urbanke C]]
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[[Category: Urbanke, C.]]
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[[Category: Domain architecture]]
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[[Category: Endonuclease]]
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[[Category: Hydrolase]]
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[[Category: Restriction endonuclease]]
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[[Category: Sdai]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 17:02:36 2009''
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Current revision

Structure of SdaI restriction endonuclease

PDB ID 2ixs

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OCA

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