3r66

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Current revision (12:12, 14 March 2024) (edit) (undo)
 
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<StructureSection load='3r66' size='340' side='right'caption='[[3r66]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
<StructureSection load='3r66' size='340' side='right'caption='[[3r66]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3r66]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/ ] and [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3R66 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3R66 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3r66]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Influenza_B_virus_(B/Lee/1940) Influenza B virus (B/Lee/1940)]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3R66 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3R66 FirstGlance]. <br>
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</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CSD:3-SULFINOALANINE'>CSD</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]] 2.3&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1xeq|1xeq]], [[1z2m|1z2m]]</div></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=CSD:3-SULFINOALANINE'>CSD</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ISG15, G1P2, UCRP ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=3r66 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3r66 OCA], [https://pdbe.org/3r66 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3r66 RCSB], [https://www.ebi.ac.uk/pdbsum/3r66 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3r66 ProSAT]</span></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=3r66 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3r66 OCA], [https://pdbe.org/3r66 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3r66 RCSB], [https://www.ebi.ac.uk/pdbsum/3r66 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3r66 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/NS1_INBLE NS1_INBLE]] Binds and inhibits the ubiquitin-like protein G1P2/ISG15, which is an early antiviral protein. Inhibits IRF-3 nuclear translocation and activation. Inhibits IFN-beta promoter activation; this inhibition is not dsRNA-binding dependent Prevents EIF2AK2/PKR activation, either by binding double strand RNA or by interacting directly with EIF2AK2/PKR. Also binds poly(A) and U6 snRNA. Suppresses the RNA silencing-based antiviral response in Drosophila cells.<ref>PMID:15479798</ref> [[https://www.uniprot.org/uniprot/ISG15_HUMAN ISG15_HUMAN]] Ubiquitin-like protein that is conjugated to intracellular target proteins after IFN-alpha or IFN-beta stimulation. Its enzymatic pathway is partially distinct from that of ubiquitin, differing in substrate specificity and interaction with ligating enzymes. ISG15 conjugation pathway uses a dedicated E1 enzyme, but seems to converge with the Ub conjugation pathway at the level of a specific E2 enzyme. Targets include STAT1, SERPINA3G/SPI2A, JAK1, MAPK3/ERK1, PLCG1, EIF2AK2/PKR, MX1/MxA, and RIG-1. Deconjugated by USP18/UBP43. Shows specific chemotactic activity towards neutrophils and activates them to induce release of eosinophil chemotactic factors. May serve as a trans-acting binding factor directing the association of ligated target proteins to intermediate filaments. May also be involved in autocrine, paracrine and endocrine mechanisms, as in cell-to-cell signaling, possibly partly by inducing IFN-gamma secretion by monocytes and macrophages. Seems to display antiviral activity during viral infections.<ref>PMID:1373138</ref> <ref>PMID:7526157</ref> <ref>PMID:8550581</ref> <ref>PMID:2005397</ref> <ref>PMID:16254333</ref> <ref>PMID:16009940</ref> In response to IFN-tau secreted by the conceptus, may ligate to and regulate proteins involved in the release of prostaglandin F2-alpha (PGF), and thus prevent lysis of the corpus luteum and maintain the pregnancy (By similarity).<ref>PMID:1373138</ref> <ref>PMID:7526157</ref> <ref>PMID:8550581</ref> <ref>PMID:2005397</ref> <ref>PMID:16254333</ref> <ref>PMID:16009940</ref>
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[https://www.uniprot.org/uniprot/NS1_INBLE NS1_INBLE] Binds and inhibits the ubiquitin-like protein G1P2/ISG15, which is an early antiviral protein. Inhibits IRF-3 nuclear translocation and activation. Inhibits IFN-beta promoter activation; this inhibition is not dsRNA-binding dependent Prevents EIF2AK2/PKR activation, either by binding double strand RNA or by interacting directly with EIF2AK2/PKR. Also binds poly(A) and U6 snRNA. Suppresses the RNA silencing-based antiviral response in Drosophila cells.<ref>PMID:15479798</ref>
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Human]]
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[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Guan, R]]
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[[Category: Guan R]]
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[[Category: Krug, R M]]
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[[Category: Krug RM]]
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[[Category: Ma, L C]]
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[[Category: Ma LC]]
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[[Category: Montelione, G T]]
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[[Category: Montelione GT]]
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[[Category: Structural genomic]]
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[[Category: Innate immunity]]
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[[Category: Isg15 conjugation]]
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[[Category: Nesg]]
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[[Category: Psi-biology]]
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[[Category: Viral protein-antiviral protein complex]]
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Current revision

Crystal structure of human ISG15 in complex with NS1 N-terminal region from influenza virus B, Northeast Structural Genomics Consortium Target IDs HX6481, HR2873, and OR2

PDB ID 3r66

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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