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3t5n

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==1.8A crystal structure of Lassa virus nucleoprotein in complex with ssRNA==
==1.8A crystal structure of Lassa virus nucleoprotein in complex with ssRNA==
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<StructureSection load='3t5n' size='340' side='right' caption='[[3t5n]], [[Resolution|resolution]] 1.79&Aring;' scene=''>
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<StructureSection load='3t5n' size='340' side='right'caption='[[3t5n]], [[Resolution|resolution]] 1.79&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3t5n]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Mopeia_lassa_reassortant_29 Mopeia lassa reassortant 29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3T5N OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3T5N FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3t5n]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [https://en.wikipedia.org/wiki/Mopeia_Lassa_virus_reassortant_29 Mopeia Lassa virus reassortant 29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3T5N OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3T5N FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=NI:NICKEL+(II)+ION'>NI</scene></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]] 1.787&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3t5q|3t5q]]</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=NI:NICKEL+(II)+ION'>NI</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">NP ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=300180 Mopeia Lassa reassortant 29])</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=3t5n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3t5n OCA], [https://pdbe.org/3t5n PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3t5n RCSB], [https://www.ebi.ac.uk/pdbsum/3t5n PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3t5n ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3t5n FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3t5n OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3t5n RCSB], [http://www.ebi.ac.uk/pdbsum/3t5n PDBsum]</span></td></tr>
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</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/Q5S585_9VIRU Q5S585_9VIRU]] Encapsidates the genome, protecting it from nucleases. The encapsidated genomic RNA is termed the nucleocapsid (NC). Serves as template for viral transcription and replication. The increased presence of protein N in host cell does not seem to trigger the switch from transcription to replication as observed in other negative strain RNA viruses (By similarity).[PIRNR:PIRNR004029]
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[https://www.uniprot.org/uniprot/Q5S585_9VIRU Q5S585_9VIRU] Encapsidates the genome, protecting it from nucleases. The encapsidated genomic RNA is termed the nucleocapsid (NC). Serves as template for viral transcription and replication. The increased presence of protein N in host cell does not seem to trigger the switch from transcription to replication as observed in other negative strain RNA viruses (By similarity).[PIRNR:PIRNR004029]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Arenaviruses cause disease in industrialized and developing nations alike. Among them, the hemorrhagic fever virus Lassa is responsible for ~300,000-500,000 infections/y in Western Africa. The arenavirus nucleoprotein (NP) forms the protein scaffold of the genomic ribonucleoprotein complexes and is critical for transcription and replication of the viral genome. Here, we present crystal structures of the RNA-binding domain of Lassa virus NP in complex with ssRNA. This structure shows, in contrast to the predicted model, that RNA binds in a deep, basic crevice located entirely within the N-terminal domain. Furthermore, the NP-ssRNA structures presented here, combined with hydrogen-deuterium exchange/MS and functional studies, suggest a gating mechanism by which NP opens to accept RNA. Directed mutagenesis and functional studies provide a unique look into how the arenavirus NPs bind to and protect the viral genome and also suggest the likely assembly by which viral ribonucleoprotein complexes are organized.
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Crystal structure of the Lassa virus nucleoprotein-RNA complex reveals a gating mechanism for RNA binding.,Hastie KM, Liu T, Li S, King LB, Ngo N, Zandonatti MA, Woods VL Jr, de la Torre JC, Saphire EO Proc Natl Acad Sci U S A. 2011 Nov 29;108(48):19365-70. Epub 2011 Nov 14. PMID:22084115<ref>PMID:22084115</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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==See Also==
==See Also==
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*[[Nucleoprotein|Nucleoprotein]]
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*[[Nucleoprotein 3D structures|Nucleoprotein 3D structures]]
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Escherichia coli]]
[[Category: Escherichia coli]]
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[[Category: Mopeia lassa reassortant 29]]
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[[Category: Large Structures]]
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[[Category: Hastie, K M]]
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[[Category: Mopeia Lassa virus reassortant 29]]
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[[Category: King, L B]]
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[[Category: Hastie KM]]
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[[Category: Liu, T]]
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[[Category: King LB]]
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[[Category: Ngo, N]]
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[[Category: Liu T]]
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[[Category: Saphire, E O]]
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[[Category: Ngo N]]
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[[Category: Torre, J C.de la]]
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[[Category: Saphire EO]]
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[[Category: Woods, V L]]
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[[Category: Woods VL]]
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[[Category: Zandonatti, M A]]
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[[Category: Zandonatti MA]]
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[[Category: Single stranded rna]]
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[[Category: De la Torre JC]]
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[[Category: Ssrna]]
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[[Category: Viral protein-rna complex]]
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Current revision

1.8A crystal structure of Lassa virus nucleoprotein in complex with ssRNA

PDB ID 3t5n

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