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Q82052

- NSP3_ROTHS

UniProt

Q82052 - NSP3_ROTHS

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Protein

Non-structural protein 3

Gene
N/A
Organism
Rotavirus A (strain Human/Japan/S2/1980 G2-P1B[4]-I2-R2-C2-M2-Ax-Nx-T2-E2-Hx) (RV-A)
Status
Reviewed - Annotation score: 2 out of 5- Experimental evidence at transcript leveli

Functioni

Involved in translation of viral mRNAs and shutoff of host protein synthesis. It is unclear whether it is required for the translation of viral mRNAs as well. Functions similarly to, and competes with the cellular poly(A)-binding protein PABPC1. Binds the conserved sequence 'GACC' at the 3' end of viral mRNAs and allows circularization of viral mRNAs in translation. Interacts with ZC3H7B/RoXaN and with the eukaryotic translation initiation factor eIF4G, using the same region employed by PABP-C1. NSP3 thus displaces PABPC1 from eIF4G, inhibiting the translation of cellular poly(A) mRNAs. Also responsible for the nuclear relocalization of PABPC1 upon rotavirus infection (By similarity).By similarity

GO - Molecular functioni

  1. RNA binding Source: UniProtKB-KW

GO - Biological processi

  1. regulation of translation Source: UniProtKB-KW
  2. suppression by virus of host gene expression Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Eukaryotic host gene expression shutoff by virus, Eukaryotic host translation shutoff by virus, Host gene expression shutoff by virus, Host-virus interaction, Translation regulation

Keywords - Ligandi

RNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Non-structural protein 3
Short name:
NSP3
Alternative name(s):
NCVP4
Non-structural RNA-binding protein 34
Short name:
NS34
OrganismiRotavirus A (strain Human/Japan/S2/1980 G2-P1B[4]-I2-R2-C2-M2-Ax-Nx-T2-E2-Hx) (RV-A)
Taxonomic identifieri10959 [NCBI]
Taxonomic lineageiVirusesdsRNA virusesReoviridaeSedoreovirinaeRotavirusRotavirus A
Virus hostiHomo sapiens (Human) [TaxID: 9606]

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 313313Non-structural protein 3PRO_0000369451Add
BLAST

Interactioni

Subunit structurei

Homodimer. Interacts (via the coiled-coil region) with host ZC3H7B (via LD motif). Interacts with host EIF4G1 (By similarity).By similarity

Structurei

3D structure databases

ProteinModelPortaliQ82052.
SMRiQ82052. Positions 7-163, 206-312.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni4 – 149146RNA-bindingBy similarityAdd
BLAST
Regioni150 – 20657DimerizationBy similarityAdd
BLAST
Regioni170 – 23465Interaction with ZC3H7BBy similarityAdd
BLAST
Regioni208 – 313106Interaction with EIF4G1By similarityAdd
BLAST

Coiled coil

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Coiled coili166 – 23772Sequence AnalysisAdd
BLAST

Sequence similaritiesi

Belongs to the rotavirus A NSP3 family.Curated

Keywords - Domaini

Coiled coil

Family and domain databases

InterProiIPR002873. Rotavirus_NSP3.
[Graphical view]
PfamiPF01665. Rota_NSP3. 1 hit.
[Graphical view]
SUPFAMiSSF69903. SSF69903. 1 hit.

Sequencei

Sequence statusi: Complete.

Q82052-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MLKMESTQQM ASSIINSSFE AAVVAATSTL ELMGIQYDYN EVYTRVKSKF
60 70 80 90 100
DFVMDDSGVE NNLMGKAATI DQALNGKFSS SIRNRNWMTD SKTVARLDED
110 120 130 140 150
VNKLRLLLSS KGIDQKMRVL NACFSVKRVP GKSSSVIKCT RLMKEKIERG
160 170 180 190 200
EVEVDDTFIE ERMEIDTIDW KSRYDQLERR FESLKQRVNE KYNNWVIKAR
210 220 230 240 250
KVNENMNSLQ NVISQQQAHI NELQIYNNKL ERDLQSKIGS VISSIEWYLR
260 270 280 290 300
SMELSDDIKS DIEQQLNSID LINPVNAFDD FESILRNLIS DYDRIFIMFK
310
GLLQQSNYTY TYE
Length:313
Mass (Da):36,389
Last modified:November 1, 1996 - v1
Checksum:iC455B5B8D2920580
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X81428 mRNA. Translation: CAA57187.1.
PIRiS51729.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X81428 mRNA. Translation: CAA57187.1 .
PIRi S51729.

3D structure databases

ProteinModelPortali Q82052.
SMRi Q82052. Positions 7-163, 206-312.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

InterProi IPR002873. Rotavirus_NSP3.
[Graphical view ]
Pfami PF01665. Rota_NSP3. 1 hit.
[Graphical view ]
SUPFAMi SSF69903. SSF69903. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "Comparative nucleotide and amino acid sequence analysis of the sequence-specific RNA-binding rotavirus nonstructural protein NSP3."
    Rao C.D., Das M., Ilango P., Lalwani R., Rao B.S., Gowda K.
    Virology 207:327-333(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].

Entry informationi

Entry nameiNSP3_ROTHS
AccessioniPrimary (citable) accession number: Q82052
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: November 1, 1996
Last modified: October 1, 2014
This is version 43 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3