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B2BMF9

- VP3_ROTW3

UniProt

B2BMF9 - VP3_ROTW3

Protein

Protein VP3

Gene
N/A
Organism
Rotavirus A (strain Cow/United States/WC3/1981 G6-P7[5]-I2-R2-C2-M2-A3-N2-T6-E2-H3) (RV-A) (Rotavirus (strain Wistar calf 3))
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 17 (01 Oct 2014)
      Sequence version 1 (20 May 2008)
      Previous versions | rss
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    Functioni

    Multifunctional enzyme involved in mRNA capping. Catalyzes the formation of the 5' cap structure on the viral plus-strand transcripts. Specifically binds to GTP and displays guanylyltransferase and methyltransferase activities. Has affinity for ssRNA but not for dsRNA. Capping activity is non-specific and caps RNAs that initiate with either a G or an A residue. Together with VP1 polymerase, forms an enzyme complex positioned near the channels situated at each of the five-fold vertices of the core. Following infection, the outermost layer of the virus is lost, leaving a double-layered particle (DLP) made up of the core and VP6 shell. VP1 then catalyzes the transcription of fully conservative plus-strand genomic RNAs that are capped by VP3 and extruded through the DLP's channels into the cytoplasm where they function as mRNAs for translation of viral proteins. DLPs probably have an RNA triphosphatase activity as well, whereas open cores don't By similarity.By similarity

    Catalytic activityi

    GTP + (5')pp-Pur-mRNA = diphosphate + G(5')ppp-Pur-mRNA.
    S-adenosyl-L-methionine + G(5')pppR-RNA = S-adenosyl-L-homocysteine + m7G(5')pppR-RNA.

    GO - Molecular functioni

    1. GTP binding Source: UniProtKB-KW
    2. mRNA (guanine-N7-)-methyltransferase activity Source: UniProtKB-EC
    3. mRNA guanylyltransferase activity Source: UniProtKB-EC
    4. RNA binding Source: UniProtKB-KW

    GO - Biological processi

    1. viral process Source: InterPro

    Keywords - Molecular functioni

    Methyltransferase, Nucleotidyltransferase, Transferase

    Keywords - Biological processi

    mRNA capping, mRNA processing

    Keywords - Ligandi

    GTP-binding, Nucleotide-binding, RNA-binding, S-adenosyl-L-methionine

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Protein VP3
    Including the following 2 domains:
    mRNA guanylyltransferase (EC:2.7.7.50)
    mRNA (guanine-N(7)-)-methyltransferase (EC:2.1.1.56)
    OrganismiRotavirus A (strain Cow/United States/WC3/1981 G6-P7[5]-I2-R2-C2-M2-A3-N2-T6-E2-H3) (RV-A) (Rotavirus (strain Wistar calf 3))
    Taxonomic identifieri578828 [NCBI]
    Taxonomic lineageiVirusesdsRNA virusesReoviridaeSedoreovirinaeRotavirusRotavirus A
    Virus hostiBos taurus (Bovine) [TaxID: 9913]
    ProteomesiUP000007181: Genome

    Subcellular locationi

    Virion Curated
    Note: Attached inside the inner capsid as a minor component. Also found in spherical cytoplasmic structures, called virus factories, that appear early after infection and are the site of viral replication and packaging Potential.Curated

    GO - Cellular componenti

    1. viral nucleocapsid Source: InterPro

    Keywords - Cellular componenti

    Virion

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 835835Protein VP3PRO_0000368076Add
    BLAST

    Interactioni

    Subunit structurei

    Interacts with VP1 Potential. Interacts with VP2 By similarity.By similarityCurated

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the rotavirus VP3 family.Curated

    Family and domain databases

    InterProiIPR011181. VP3_Rotav.
    [Graphical view]
    PfamiPF06929. Rotavirus_VP3. 1 hit.
    [Graphical view]
    PIRSFiPIRSF004015. LigT_rotavirus. 1 hit.
    PROSITEiPS51589. SAM_MT56_VP3. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    B2BMF9-1 [UniParc]FASTAAdd to Basket

    « Hide

    MKVLALRHSV AQVYADTQIY THDETKDDYE NAFLISNLTT HNILYLNYSV    50
    KTLQILNKSG IAAVEIQEMD ELFTLIRCNF TYDYIDDIVY LHDYSYYTNN 100
    EIRTDQHWVT KTNIEDYLLP GWKLTYVGYN GNDTRGHYNF SFKCQNAATD 150
    DDAIIEYIYS NELDFQNFIL KKIKERMTTS LPIARLSNRV FRDKLFKTLV 200
    SDHSRVVNVG PRNESMFTFL DHPSIKQFSN GPYLVKDTIK LKQERWLGKR 250
    LSQFDIGQYK NMLNVLTTLY QYYDMYHEKP IIYMVGSAPS YWIHDVRQYS 300
    NLKFETWDPL DTPYSDLHHK ELFYISDVTK LKDNSILYVD IRTDRENTDW 350
    KAWRKIVEEQ TINNLNIAYK YLSTGKAKVC CVKMTAMDLE LPISAKLLHH 400
    PTTEIRSEFY LIMDIWDSKN IKRFIPKGVL YSYINNVITE NVFIQQPFKL 450
    KTLRNEYVVA LYALSNDFNN REDVIKLVNN QKNALITVRI NNTFKDEPKV 500
    GFKDIYDWTF LPTDFETNES IITSYDGCLG MFGLSISLAS KPTGNNHLFI 550
    LSGTNKYFKL DQFANHMSIS RRSHQIRFSE SATSYSGYIF RDLSNNNFNL 600
    IGTNVENSVS GHVYNALIYY RYNYSFDLKR WIYLHATNKA GIEGGRYYEH 650
    APIELIYACR SAKEFAKLQD DLTVLRYSNE IEDYINKVYS ITYADDPNYF 700
    IGIKFKNIPY EYDVKVPHLT FGVLNISDSM VPDVVAILKK FKSELFRMDV 750
    TTSYTYMLSD EIYVANVSGV LSTYFKLYNA FYKEQITFGQ SRMFIPHITL 800
    SFSNKKVVRI DSTRLNIDFI YLRKIKGDTV FDMTE 835
    Length:835
    Mass (Da):98,033
    Last modified:May 20, 2008 - v1
    Checksum:i4B6DB502A7752D58
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF560617 Genomic RNA. Translation: ABU48678.1.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    EF560617 Genomic RNA. Translation: ABU48678.1 .

    3D structure databases

    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Family and domain databases

    InterProi IPR011181. VP3_Rotav.
    [Graphical view ]
    Pfami PF06929. Rotavirus_VP3. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF004015. LigT_rotavirus. 1 hit.
    PROSITEi PS51589. SAM_MT56_VP3. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Full genome-based classification of rotaviruses reveals a common origin between human Wa-Like and porcine rotavirus strains and human DS-1-like and bovine rotavirus strains."
      Matthijnssens J., Ciarlet M., Heiman E.M., Arijs I., Delbeke T., McDonald S.M., Palombo E.A., Iturriza-Gomara M., Maes P., Patton J.T., Rahman M., Van Ranst M.
      J. Virol. 82:3204-3219(2008) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

    Entry informationi

    Entry nameiVP3_ROTW3
    AccessioniPrimary (citable) accession number: B2BMF9
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 14, 2009
    Last sequence update: May 20, 2008
    Last modified: October 1, 2014
    This is version 17 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programViral Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Multifunctional enzyme

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3