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1px5

From Proteopedia

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[[Image:1px5.png|left|200px]]
 
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{{STRUCTURE_1px5| PDB=1px5 | SCENE= }}
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==Crystal structure of the 2'-specific and double-stranded RNA-activated interferon-induced antiviral protein 2'-5'-oligoadenylate synthetase==
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<StructureSection load='1px5' size='340' side='right'caption='[[1px5]], [[Resolution|resolution]] 1.74&Aring;' scene=''>
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===Crystal structure of the 2'-specific and double-stranded RNA-activated interferon-induced antiviral protein 2'-5'-oligoadenylate synthetase===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1px5]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PX5 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PX5 FirstGlance]. <br>
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{{ABSTRACT_PUBMED_14636576}}
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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]] 1.74&#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=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=YCM:S-(2-AMINO-2-OXOETHYL)-L-CYSTEINE'>YCM</scene></td></tr>
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==About this Structure==
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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=1px5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1px5 OCA], [https://pdbe.org/1px5 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1px5 RCSB], [https://www.ebi.ac.uk/pdbsum/1px5 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1px5 ProSAT]</span></td></tr>
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[[1px5]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PX5 OCA].
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</table>
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== Function ==
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==Reference==
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[https://www.uniprot.org/uniprot/OAS1_PIG OAS1_PIG] Interferon-induced, dsRNA-activated antiviral enzyme which plays a critical role in cellular innate antiviral response. In addition, it may also play a role in other cellular processes such as apoptosis, cell growth, differentiation and gene regulation. Synthesizes higher oligomers of 2'-5'-oligoadenylates (2-5A) from ATP which then bind to the inactive monomeric form of ribonuclease L (RNase L) leading to its dimerization and subsequent activation. Activation of RNase L leads to degradation of cellular as well as viral RNA, resulting in the inhibition of protein synthesis, thus terminating viral replication. Can mediate the antiviral effect via the classical RNase L-dependent pathway or an alternative antiviral pathway independent of RNase L. The secreted form displays antiviral effect against vesicular stomatitis virus (VSV), herpes simplex virus type 2 (HSV-2), and encephalomyocarditis virus (EMCV) and stimulates the alternative antiviral pathway independent of RNase L.<ref>PMID:20844035</ref>
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<ref group="xtra">PMID:014636576</ref><references group="xtra"/>
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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/px/1px5_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=1px5 ConSurf].
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<div style="clear:both"></div>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Sus scrofa]]
[[Category: Sus scrofa]]
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[[Category: Hartmann, R.]]
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[[Category: Hartmann R]]
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[[Category: Justesen, J.]]
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[[Category: Justesen J]]
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[[Category: Sarkar, S N.]]
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[[Category: Sarkar SN]]
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[[Category: Sen, G C.]]
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[[Category: Sen GC]]
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[[Category: Yee, V C.]]
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[[Category: Yee VC]]
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[[Category: 5-stranded antiparalel beta sheet]]
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[[Category: Four helix bundle]]
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[[Category: Transferase]]
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Current revision

Crystal structure of the 2'-specific and double-stranded RNA-activated interferon-induced antiviral protein 2'-5'-oligoadenylate synthetase

PDB ID 1px5

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