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2k36

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Revision as of 11:11, 18 July 2018

Structure ensemble Backbone and side-chain 1H, 13C, and 15N Chemical Shift Assignments, 1H-15N RDCs and 1H-1H nOe restraints for protein K7 from the Vaccinia virus

Structural highlights

2k36 is a 1 chain structure with sequence from Vaccinia virus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Gene:	K7R (Vaccinia virus)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[K7_VACCW] Bcl-2-like protein which, through its interaction with the DEAD box RNA helicase DDX3X/DDX3, prevents TBK1/IKKepsilon-mediated IRF3 activation. Contributes to virulence by binding to the host TRAF6 and IRAK2 and preventing host NF-kappa-B activation.

Publication Abstract from PubMed

Poxviruses have evolved numerous strategies to evade host innate immunity. Vaccinia virus K7 is a 149-residue protein with previously unknown structure that is highly conserved in the orthopoxvirus family. K7 bears sequence and functional similarities to A52, which interacts with interleukin receptor-associated kinase 2 and tumor necrosis factor receptor-associated factor 6 to suppress nuclear factor kappaB activation and to stimulate the secretion of the anti-inflammatory cytokine interleukin-10. In contrast to A52, K7 forms a complex with DEAD box RNA helicase DDX3, thereby suppressing DDX3-mediated ifnb promoter induction. We determined the NMR solution structure of K7 to provide insight into the structural basis for poxvirus antagonism of innate immune signaling. The structure reveals an alpha-helical fold belonging to the Bcl-2 family despite an unrelated primary sequence. NMR chemical-shift mapping studies have localized the binding surface for DDX3 on a negatively charged face of K7. Furthermore, thermodynamic studies have mapped the K7-binding region to a 30-residue N-terminal fragment of DDX3, ahead of the core RNA helicase domains.

Poxvirus K7 protein adopts a Bcl-2 fold: biochemical mapping of its interactions with human DEAD box RNA helicase DDX3.,Kalverda AP, Thompson GS, Vogel A, Schroder M, Bowie AG, Khan AR, Homans SW J Mol Biol. 2009 Jan 23;385(3):843-53. Epub 2008 Sep 27. PMID:18845156^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Kalverda AP, Thompson GS, Vogel A, Schroder M, Bowie AG, Khan AR, Homans SW. Poxvirus K7 protein adopts a Bcl-2 fold: biochemical mapping of its interactions with human DEAD box RNA helicase DDX3. J Mol Biol. 2009 Jan 23;385(3):843-53. Epub 2008 Sep 27. PMID:18845156 doi:10.1016/j.jmb.2008.09.048

1 Structural highlights
2 Function
3 Publication Abstract from PubMed
4 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/2k36"

@@ Line 1: / Line 1: @@
 ==Structure ensemble Backbone and side-chain 1H, 13C, and 15N Chemical Shift Assignments, 1H-15N RDCs and 1H-1H nOe restraints for protein K7 from the Vaccinia virus==
 <StructureSection load='2k36' size='340' side='right' caption='[[2k36]], [[NMR_Ensembles_of_Models | 15 NMR models]]' scene=''>
@@ Line 4: / Line 5: @@
 <table><tr><td colspan='2'>[[2k36]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Vaccinia_virus Vaccinia virus]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2K36 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2K36 FirstGlance]. <br>
 </td></tr><tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">K7R ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10245 Vaccinia virus])</td></tr>
-<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=2k36 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2k36 OCA], [http://pdbe.org/2k36 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2k36 RCSB], [http://www.ebi.ac.uk/pdbsum/2k36 PDBsum]</span></td></tr>
+<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=2k36 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2k36 OCA], [http://pdbe.org/2k36 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2k36 RCSB], [http://www.ebi.ac.uk/pdbsum/2k36 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2k36 ProSAT]</span></td></tr>
 </table>
 == Function ==

2k36

From Proteopedia

Revision as of 11:11, 18 July 2018

Structure ensemble Backbone and side-chain 1H, 13C, and 15N Chemical Shift Assignments, 1H-15N RDCs and 1H-1H nOe restraints for protein K7 from the Vaccinia virus

Structural highlights

Function

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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