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@ARTICLE{Motz:141093,
author = {Motz, C. and Schuhmann, K. M. and Kirchhofer, A. and Moldt,
M. and Witte, G. and Conzelmann, K.-K. and Hopfner, K.-P.
and DESY},
title = {{P}aramyxovirus {V} {P}roteins {D}isrupt the {F}old of the
{RNA} {S}ensor {MDA}5 to {I}nhibit {A}ntiviral {S}ignaling},
journal = {Science},
volume = {339},
issn = {0036-8075},
reportid = {PHPPUBDB-24959},
pages = {693},
year = {2013},
note = {Post referee fulltext in progress; Embargo 6 months from
publication},
abstract = {The retinoic acid-inducible gene I (RIG-I)-like receptor
(RLR) melanoma differentiation-associated protein 5 (MDA5)
senses cytoplasmic viral RNA and activates antiviral innate
immunity. To reveal how paramyxoviruses counteract this
response, we determined the crystal structure of the MDA5
adenosine 5'-triphosphate (ATP)-hydrolysis domain in complex
with the viral inhibitor V protein. The V protein unfolded
the ATP-hydrolysis domain of MDA5 via a β-hairpin motif and
recognized a structural motif of MDA5 that is normally
buried in the conserved helicase fold. This leads to
disruption of the MDA5 ATP-hydrolysis site and prevention of
RNA-bound MDA5 filament formation. The structure explains
why V proteins inactivate MDA5, but not RIG-I, and mutating
only two amino acids in RIG-I induces robust V protein
binding. Our results suggest an inhibition mechanism of RLR
signalosome formation by unfolding of receptor and
inhibitor.},
keywords = {Adenosine Triphosphate: metabolism / Amino Acid Motifs /
Amino Acid Sequence / Animals / Crystallography, X-Ray /
DEAD-box RNA Helicases: chemistry / DEAD-box RNA Helicases:
genetics / DEAD-box RNA Helicases: metabolism / HEK293 Cells
/ Humans / Hydrolysis / Immunity, Innate / Mice / Models,
Molecular / Molecular Sequence Data / Mutation / Protein
Binding / Protein Folding / Protein Structure, Tertiary /
RNA, Double-Stranded: metabolism / Signal Transduction /
Simian virus 5: immunology / Sus scrofa / Viral Proteins:
chemistry / Viral Proteins: genetics / Viral Proteins:
metabolism / RNA, Double-Stranded (NLM Chemicals) / V
protein, Paramyxovirus (NLM Chemicals) / Viral Proteins (NLM
Chemicals) / Adenosine Triphosphate (NLM Chemicals) / DDX58
protein, human (NLM Chemicals) / DEAD-box RNA Helicases (NLM
Chemicals) / IFIH1 protein, human (NLM Chemicals)},
cin = {HASYLAB(-2012) / EMBL(-2012)},
cid = {$I:(DE-H253)HASYLAB_-2012_-20130307$ /
$I:(DE-H253)EMBL_-2012_-20130307$},
pnm = {DORIS Beamline D1.2 (POF2-54G13)},
pid = {G:(DE-H253)POF2-D1.2-20130405},
experiment = {EXP:(DE-H253)D-D1.2-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:23328395},
UT = {WOS:000314585600041},
doi = {10.1126/science.1230949},
url = {https://bib-pubdb1.desy.de/record/141093},
}