2qze

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(New page: 200px {{Structure |PDB= 2qze |SIZE=350|CAPTION= <scene name='initialview01'>2qze</scene>, resolution 2.90&Aring; |SITE= |LIGAND= |ACTIVITY= |GENE= |DOMAIN= |R...)
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[[Image:2qze.jpg|left|200px]]
 
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{{Structure
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==Monoclinic Mimivirus Capping Enzyme Triphosphatase.==
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|PDB= 2qze |SIZE=350|CAPTION= <scene name='initialview01'>2qze</scene>, resolution 2.90&Aring;
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<StructureSection load='2qze' size='340' side='right'caption='[[2qze]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND=
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<table><tr><td colspan='2'>[[2qze]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mimivirus Mimivirus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QZE OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QZE FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.9&#8491;</td></tr>
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|GENE=
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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=2qze FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qze OCA], [https://pdbe.org/2qze PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qze RCSB], [https://www.ebi.ac.uk/pdbsum/2qze PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qze ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=[[2qy2|2QY2]], [[3bgy|3BGY]]
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2qze FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qze OCA], [http://www.ebi.ac.uk/pdbsum/2qze PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2qze RCSB]</span>
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[https://www.uniprot.org/uniprot/MCE_MIMIV MCE_MIMIV] Responsible for methylating the 5'-cap structure of mRNAs.
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}}
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The RNA triphosphatase (RTPase) components of the mRNA capping apparatus are a bellwether of eukaryal taxonomy. Fungal and protozoal RTPases belong to the triphosphate tunnel metalloenzyme (TTM) family, exemplified by yeast Cet1. Several large DNA viruses encode metal-dependent RTPases unrelated to the cysteinyl-phosphatase RTPases of their metazoan host organisms. The origins of DNA virus RTPases are unclear because they are structurally uncharacterized. Mimivirus, a giant virus of amoeba, resembles poxviruses in having a trifunctional capping enzyme composed of a metal-dependent RTPase module fused to guanylyltransferase (GTase) and guanine-N7 methyltransferase domains. The crystal structure of mimivirus RTPase reveals a minimized tunnel fold and an active site strikingly similar to that of Cet1. Unlike homodimeric fungal RTPases, mimivirus RTPase is a monomer. The mimivirus TTM-type RTPase-GTase fusion resembles the capping enzymes of amoebae, providing evidence that the ancestral large DNA virus acquired its capping enzyme from a unicellular host.
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'''Monoclinic Mimivirus Capping Enzyme Triphosphatase.'''
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Characterization of a trifunctional mimivirus mRNA capping enzyme and crystal structure of the RNA triphosphatase domain.,Benarroch D, Smith P, Shuman S Structure. 2008 Apr;16(4):501-12. PMID:18400173<ref>PMID:18400173</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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==About this Structure==
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</div>
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2QZE is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mimivirus Mimivirus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QZE OCA].
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<div class="pdbe-citations 2qze" style="background-color:#fffaf0;"></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: Mimivirus]]
[[Category: Mimivirus]]
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[[Category: Single protein]]
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[[Category: Benarroch D]]
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[[Category: Benarroch, D.]]
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[[Category: Shuman S]]
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[[Category: Shuman, S.]]
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[[Category: Smith P]]
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[[Category: Smith, P.]]
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[[Category: capping]]
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[[Category: hydrolase]]
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[[Category: mimivirus]]
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[[Category: monoclinic]]
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[[Category: mrna capping]]
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[[Category: mrna processing]]
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[[Category: multifunctional enzyme]]
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[[Category: nucleotidyltransferase]]
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[[Category: s-adenosyl-l-methionine]]
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[[Category: transferase]]
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[[Category: triphosphatase]]
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[[Category: tunnel]]
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[[Category: viral protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Apr 2 11:58:23 2008''
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Current revision

Monoclinic Mimivirus Capping Enzyme Triphosphatase.

PDB ID 2qze

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