2gth

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Current revision (08:49, 25 October 2023) (edit) (undo)
 
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<StructureSection load='2gth' size='340' side='right'caption='[[2gth]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
<StructureSection load='2gth' size='340' side='right'caption='[[2gth]], [[Resolution|resolution]] 2.70&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[2gth]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Cvma5 Cvma5]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GTH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GTH FirstGlance]. <br>
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<table><tr><td colspan='2'>[[2gth]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Murine_hepatitis_virus_strain_A59 Murine hepatitis virus strain A59]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GTH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2GTH FirstGlance]. <br>
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</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2gth FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gth OCA], [https://pdbe.org/2gth PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gth RCSB], [https://www.ebi.ac.uk/pdbsum/2gth PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gth ProSAT]</span></td></tr>
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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]] 2.7&#8491;</td></tr>
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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=2gth FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2gth OCA], [https://pdbe.org/2gth PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2gth RCSB], [https://www.ebi.ac.uk/pdbsum/2gth PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2gth ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/R1AB_CVMA5 R1AB_CVMA5]] The replicase polyprotein of coronaviruses is a multifunctional protein: it contains the activities necessary for the transcription of negative stranded RNA, leader RNA, subgenomic mRNAs and progeny virion RNA as well as proteinases responsible for the cleavage of the polyprotein into functional products. The papain-like proteinase 1 (PL1-PRO) and papain-like proteinase 2 (PL2-PRO) are responsible for the cleavages located at the N-terminus of the replicase polyprotein. In addition, PLP2 possesses a deubiquitinating/deISGylating activity and processes both 'Lys-48'- and 'Lys-63'-linked polyubiquitin chains from cellular substrates. Antagonizes innate immune induction of type I interferon by blocking the phosphorylation, dimerization and subsequent nuclear translocation of host IRF-3 (By similarity). The main proteinase 3CL-PRO is responsible for the majority of cleavages as it cleaves the C-terminus of replicase polyprotein at 11 sites. Recognizes substrates containing the core sequence [ILMVF]-Q-|-[SGACN]. Inhibited by the substrate-analog Cbz-Val-Asn-Ser-Thr-Leu-Gln-CMK. Also contains an ADP-ribose-1''-phosphate (ADRP)-binding function (By similarity). The helicase which contains a zinc finger structure displays RNA and DNA duplex-unwinding activities with 5' to 3' polarity. ATPase activity is strongly stimulated by poly(U), poly(dT), poly(C), poly(dA), but not by poly(G) (By similarity). The exoribonuclease acts on both ssRNA and dsRNA in a 3' to 5' direction (By similarity). Nsp7-nsp8 hexadecamer may possibly confer processivity to the polymerase, maybe by binding to dsRNA or by producing primers utilized by the latter (By similarity). Nsp9 is a ssRNA-binding protein (By similarity). NendoU is a Mn(2+)-dependent, uridylate-specific enzyme, which leaves 2'-3'-cyclic phosphates 5' to the cleaved bond (By similarity).
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[https://www.uniprot.org/uniprot/Q9J3E8_9BETC Q9J3E8_9BETC] The replicase polyprotein of coronaviruses is a multifunctional protein: it contains the activities necessary for the transcription of negative stranded RNA, leader RNA, subgenomic mRNAs and progeny virion RNA as well as proteinases responsible for the cleavage of the polyprotein into functional products.[ARBA:ARBA00003368]
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Cvma5]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Lou, Z]]
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[[Category: Murine hepatitis virus strain A59]]
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[[Category: Rao, Z]]
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[[Category: Lou Z]]
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[[Category: Su, D]]
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[[Category: Rao Z]]
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[[Category: Sun, F]]
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[[Category: Su D]]
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[[Category: Xu, X]]
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[[Category: Sun F]]
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[[Category: Zhai, Y]]
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[[Category: Xu X]]
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[[Category: Mhv]]
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[[Category: Zhai Y]]
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[[Category: Nsp15]]
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[[Category: Viral protein]]
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Current revision

crystal structure of the wildtype MHV coronavirus non-structural protein nsp15

PDB ID 2gth

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