1eqa

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[[Image:1eqa.png|left|200px]]
 
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{{STRUCTURE_1eqa| PDB=1eqa | SCENE= }}
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==VACCINIA METHYLTRANSFERASE VP39 MUTANT E233Q COMPLEXED WITH M7G AND S-ADENOSYLHOMOCYSTEINE==
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<StructureSection load='1eqa' size='340' side='right'caption='[[1eqa]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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===VACCINIA METHYLTRANSFERASE VP39 MUTANT E233Q COMPLEXED WITH M7G AND S-ADENOSYLHOMOCYSTEINE===
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1eqa]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EQA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1EQA FirstGlance]. <br>
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{{ABSTRACT_PUBMED_10377383}}
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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]] 2.2&#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=MG7:7-METHYLGUANOSINE'>MG7</scene>, <scene name='pdbligand=SAH:S-ADENOSYL-L-HOMOCYSTEINE'>SAH</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=1eqa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1eqa OCA], [https://pdbe.org/1eqa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1eqa RCSB], [https://www.ebi.ac.uk/pdbsum/1eqa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1eqa ProSAT]</span></td></tr>
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[[1eqa]] is a 1 chain structure of [[Poly(A) Polymerase]] with sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1EQA OCA].
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/MCE_VACCW MCE_VACCW] Displays methyltransferase, positive regulation of the poly(A) polymerase and transcription elongation activities. Involved in the modification of both mRNA ends and in intermediate and late gene positive transcription elongation. At the mRNAs 5' end, methylates the ribose 2' OH group of the first transcribed nucleotide, thereby producing a 2'-O-methylpurine cap. At the 3' end, functions as a processivity factor which stimulates the activity of the viral poly(A) polymerase VP55 that creates mRNA's poly(A) tail. In the presence of VP39, VP55 does not dissociate from the RNA allowing tail elongation to around 250 adenylates.<ref>PMID:1313572</ref> <ref>PMID:1670500</ref> <ref>PMID:12359447</ref>
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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/eq/1eqa_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=1eqa ConSurf].
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<div style="clear:both"></div>
==See Also==
==See Also==
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*[[Poly(A) Polymerase|Poly(A) Polymerase]]
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*[[Poly(A) polymerase 3D structures|Poly(A) polymerase 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:010377383</ref><references group="xtra"/>
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__TOC__
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[[Category: Polynucleotide adenylyltransferase]]
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Vaccinia virus]]
[[Category: Vaccinia virus]]
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[[Category: Gershon, P D.]]
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[[Category: Gershon PD]]
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[[Category: Hodel, A E.]]
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[[Category: Hodel AE]]
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[[Category: Hu, G.]]
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[[Category: Hu G]]
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[[Category: Quiocho, F A.]]
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[[Category: Quiocho FA]]
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[[Category: Methylated guanosine]]
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[[Category: Methyltransferase]]
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[[Category: Mrna processing]]
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[[Category: Rna cap analog]]
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[[Category: Transcription]]
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[[Category: Transferase]]
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[[Category: Vaccinia]]
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Current revision

VACCINIA METHYLTRANSFERASE VP39 MUTANT E233Q COMPLEXED WITH M7G AND S-ADENOSYLHOMOCYSTEINE

PDB ID 1eqa

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