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NSP1_ROTRF
ID   NSP1_ROTRF              Reviewed;         491 AA.
AC   P12475;
DT   01-OCT-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1989, sequence version 1.
DT   23-FEB-2022, entry version 82.
DE   RecName: Full=Non-structural protein 1 {ECO:0000255|HAMAP-Rule:MF_04088};
DE            Short=NSP1 {ECO:0000255|HAMAP-Rule:MF_04088};
DE   AltName: Full=NCVP2 {ECO:0000255|HAMAP-Rule:MF_04088};
DE   AltName: Full=Non-structural RNA-binding protein 53 {ECO:0000255|HAMAP-Rule:MF_04088};
DE            Short=NS53 {ECO:0000255|HAMAP-Rule:MF_04088};
OS   Rotavirus A (strain RVA/Cow/France/RF/1975/G6P6[1]) (RV-A).
OC   Viruses; Riboviria; Orthornavirae; Duplornaviricota; Resentoviricetes;
OC   Reovirales; Reoviridae; Sedoreovirinae; Rotavirus; Rotavirus A.
OX   NCBI_TaxID=10933;
OH   NCBI_TaxID=9913; Bos taurus (Bovine).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC RNA].
RX   PubMed=2823457; DOI=10.1016/0042-6822(87)90179-6;
RA   Bremont M., Charpilienne A., Chabanne D., Cohen J.;
RT   "Nucleotide sequence and expression in Escherichia coli of the gene
RT   encoding the nonstructural protein NCVP2 of bovine rotavirus.";
RL   Virology 161:138-144(1987).
CC   -!- FUNCTION: Plays a role in the inhibition of host innate immunity by
CC       inducing the degradation of key host factors required to activate
CC       interferon production such as IRF3, IRF5 or IRF7. Associates with
CC       components of cullin RING ligases (CRLs) including CUL1 or CUL3, which
CC       are essential multisubunit ubiquitination complexes, to modulate their
CC       activities. {ECO:0000255|HAMAP-Rule:MF_04088}.
CC   -!- SUBUNIT: Interacts (via C-terminus) with host IRF3; this interaction
CC       leads to IRF3 degradation. Interacts with host IRF7; this interaction
CC       leads to IRF7 degradation. Interacts with host CUL1 and CUL3.
CC       {ECO:0000255|HAMAP-Rule:MF_04088}.
CC   -!- SUBCELLULAR LOCATION: Host cytoplasm, host cytoskeleton
CC       {ECO:0000255|HAMAP-Rule:MF_04088}.
CC   -!- DOMAIN: The integrity of the zinc-binding domain in NSP1 is important
CC       for degradation of host IRF3. {ECO:0000255|HAMAP-Rule:MF_04088}.
CC   -!- DOMAIN: The pLxIS motif targets host IRF3 for degradation; however
CC       phosphorylation of NSP1 pLxIS motif is not required for its activity.
CC       {ECO:0000255|HAMAP-Rule:MF_04088}.
CC   -!- SIMILARITY: Belongs to the rotavirus NSP1 family. {ECO:0000255|HAMAP-
CC       Rule:MF_04088}.
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DR   EMBL; M22308; AAA47316.1; -; Genomic_RNA.
DR   Proteomes; UP000007179; Genome.
DR   GO; GO:0030430; C:host cell cytoplasm; IEA:UniProtKB-UniRule.
DR   GO; GO:0044163; C:host cytoskeleton; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0039548; P:suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0039557; P:suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF7 activity; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_04088; ROTA_NSP1; 1.
DR   InterPro; IPR002148; Rotavirus_NSP1.
DR   Pfam; PF00981; Rota_NS53; 1.
PE   3: Inferred from homology;
KW   Host cytoplasm; Host cytoskeleton; Host-virus interaction;
KW   Inhibition of host innate immune response by virus;
KW   Inhibition of host IRF3 by virus; Inhibition of host IRF7 by virus;
KW   Inhibition of host RLR pathway by virus;
KW   Interferon antiviral system evasion; Metal-binding; RNA-binding;
KW   Viral immunoevasion.
FT   CHAIN           1..491
FT                   /note="Non-structural protein 1"
FT                   /id="PRO_0000149554"
FT   REGION          1..81
FT                   /note="RNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04088"
FT   REGION          42..79
FT                   /note="Zinc-binding domain"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04088"
FT   REGION          82..176
FT                   /note="Important for cytoskeleton localization"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04088"
FT   REGION          320..491
FT                   /note="Interaction with host IRF3"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04088"
FT   MOTIF           485..488
FT                   /note="pLxIS motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04088"
SQ   SEQUENCE   491 AA;  58730 MW;  5434E3FC35755B64 CRC64;
     MATFKDACYH YKRLNKLNSL VLKLGANDEW RPAPMTKYKG WCLDCCQYTN LTYCRGCALY
     HVCQWCSQYN RCFLDEEPHL LRMRTFKDVV TKEDIEGLLT MYETLFPINE KLVNKFINSV
     KQRKCRNEYL LEWYNHLLMP ITLQALTINL EDNVYYIFGY YDCMEHENQT PFQFINLLEK
     YDKLLLDDRN FHRMSHLPVI LQQEYALRYF SKSRFLSKGK KRLSRSDFSD NLMEDRHSPT
     SLMQVVRNCI SIHINDCEWN KACTLIVDAR NYISIMNSSY TEHYSVSQRC KLFTKYKFGI
     VSRLVKPNYI FSSHESCALN VHNCKWCQIN NHYKVWEDFR LRKIYNNVMD FIRALMKSNG
     NVGHCSSQES VYKYIPDLFL ICKTEKWNEA VEMLFNYLEP VDINGTEYVL LDYEVNWEVR
     GLVMQNMDGK VPRILNMNDT KKILSAMIFD WFDTRYMRET PMTTSTTNQL RTLNKRNELI
     DEYDLELSDV E
 
 
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