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P21416

- GAG_GALV

UniProt

P21416 - GAG_GALV

Protein

Gag polyprotein

Gene

gag

Organism
Gibbon ape leukemia virus (GALV)
Status
Reviewed - Annotation score: 4 out of 5- Protein inferred from homologyi
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    • History
      Entry version 89 (01 Oct 2014)
      Sequence version 3 (23 Jan 2007)
      Previous versions | rss
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    Functioni

    Gag polyprotein plays a role in budding and is processed by the viral protease during virion maturation outside the cell. During budding, it recruits, in a PPXY-dependent or independent manner, Nedd4-like ubiquitin ligases that conjugate ubiquitin molecules to Gag, or to Gag binding host factors. Interaction with HECT ubiquitin ligases probably link the viral protein to the host ESCRT pathway and facilitate release By similarity.By similarity
    Matrix protein p15 targets Gag and gag-pol polyproteins to the plasma membrane via a multipartite membrane binding signal, that includes its myristoylated N-terminus. Also mediates nuclear localization of the preintegration complex By similarity.By similarity
    Capsid protein p30 forms the spherical core of the virion that encapsulates the genomic RNA-nucleocapsid complex.By similarity
    Nucleocapsid protein p10 is involved in the packaging and encapsidation of two copies of the genome. Binds with high affinity to conserved elements within the packaging signal, located near the 5'-end of the genome. This binding is dependent on genome dimerization By similarity.By similarity

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Sitei125 – 1262Cleavage; by viral proteaseBy similarity
    Sitei195 – 1962Cleavage; by viral proteaseBy similarity
    Sitei454 – 4552Cleavage; by viral proteaseBy similarity

    Regions

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Zinc fingeri489 – 50618CCHC-typePROSITE-ProRule annotationAdd
    BLAST

    GO - Molecular functioni

    1. RNA binding Source: UniProtKB-KW
    2. structural constituent of virion Source: UniProtKB-KW
    3. zinc ion binding Source: InterPro

    GO - Biological processi

    1. viral budding via host ESCRT complex Source: UniProtKB-KW
    2. viral release from host cell Source: UniProtKB-KW

    Keywords - Biological processi

    Host-virus interaction, Viral budding, Viral budding via the host ESCRT complexes, Virus exit from host cell

    Keywords - Ligandi

    Metal-binding, RNA-binding, Viral nucleoprotein, Zinc

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Gag polyprotein
    Alternative name(s):
    Core polyprotein
    Cleaved into the following 4 chains:
    Matrix protein p15
    Short name:
    MA
    Alternative name(s):
    pp12
    Capsid protein p30
    Short name:
    CA
    Nucleocapsid protein p10
    Short name:
    NC-gag
    Gene namesi
    Name:gag
    OrganismiGibbon ape leukemia virus (GALV)
    Taxonomic identifieri11840 [NCBI]
    Taxonomic lineageiVirusesRetro-transcribing virusesRetroviridaeOrthoretrovirinaeGammaretrovirus
    Virus hostiHylobatidae (gibbons) [TaxID: 9577]
    ProteomesiUP000008231: Genome

    Subcellular locationi

    GO - Cellular componenti

    1. host cell plasma membrane Source: UniProtKB-SubCell
    2. membrane Source: UniProtKB-KW
    3. viral nucleocapsid Source: UniProtKB-KW

    Keywords - Cellular componenti

    Capsid protein, Host cell membrane, Host membrane, Membrane, Viral matrix protein, Virion

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Initiator methioninei1 – 11Removed; by hostBy similarity
    Chaini2 – 520519Gag polyproteinPRO_0000390804Add
    BLAST
    Chaini2 – 125124Matrix protein p15Sequence AnalysisPRO_0000040863Add
    BLAST
    Chaini126 – 19570RNA-binding phosphoprotein p12Sequence AnalysisPRO_0000040864Add
    BLAST
    Chaini196 – 454259Capsid protein p30Sequence AnalysisPRO_0000040865Add
    BLAST
    Chaini455 – 52066Nucleocapsid protein p10Sequence AnalysisPRO_0000040866Add
    BLAST

    Amino acid modifications

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Lipidationi2 – 21N-myristoyl glycine; by hostBy similarity

    Post-translational modificationi

    Specific enzymatic cleavages by the viral protease yield mature proteins. The protease is released by autocatalytic cleavage. The polyprotein is cleaved during and after budding, this process is termed maturation By similarity.By similarity

    Keywords - PTMi

    Lipoprotein, Myristate

    Interactioni

    Subunit structurei

    Capsid protein p30 is a homohexamer, that further associates as homomultimer. The virus core is composed of a lattice formed from hexagonal rings, each containing six capsid monomers By similarity.By similarity

    Structurei

    3D structure databases

    ProteinModelPortaliP21416.
    SMRiP21416. Positions 5-98, 212-333, 338-369, 481-508.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Motif

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Motifi116 – 1194PTAP/PSAP motif
    Motifi139 – 1424PPXY motif

    Domaini

    Late-budding domains (L domains) are short sequence motifs essential for viral particle budding. They recruit proteins of the host ESCRT machinery (Endosomal Sorting Complex Required for Transport) or ESCRT-associated proteins. RNA-binding phosphoprotein p12 contains one L domain: a PPXY motif which potentially interacts with the WW domain 3 of NEDD4 E3 ubiquitin ligase. Matrix protein p15 contains one L domain: a PTAP/PSAP motif, which potentially interacts with the UEV domain of TSG101 By similarity.By similarity

    Sequence similaritiesi

    Contains 1 CCHC-type zinc finger.PROSITE-ProRule annotation

    Zinc finger

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Zinc fingeri489 – 50618CCHC-typePROSITE-ProRule annotationAdd
    BLAST

    Keywords - Domaini

    Zinc-finger

    Family and domain databases

    Gene3Di1.10.150.180. 1 hit.
    1.10.375.10. 1 hit.
    4.10.60.10. 1 hit.
    InterProiIPR000840. G_retro_matrix_N.
    IPR003036. Gag_P30.
    IPR008919. Retrov_capsid_N.
    IPR010999. Retrovr_matrix_N.
    IPR001878. Znf_CCHC.
    [Graphical view]
    PfamiPF01140. Gag_MA. 1 hit.
    PF02093. Gag_p30. 1 hit.
    PF00098. zf-CCHC. 1 hit.
    [Graphical view]
    SMARTiSM00343. ZnF_C2HC. 1 hit.
    [Graphical view]
    SUPFAMiSSF47836. SSF47836. 1 hit.
    SSF47943. SSF47943. 1 hit.
    SSF57756. SSF57756. 1 hit.
    PROSITEiPS50158. ZF_CCHC. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Sequence processingi: The displayed sequence is further processed into a mature form.

    P21416-1 [UniParc]FASTAAdd to Basket

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    MGQDNSTPIS LTLNHWRDVR TRAHNLSVEI KKGKWQTFCS SEWPTFGVGW    50
    PPEGTFNLSV IFAVKKIVFQ ENGGHPDQVP YIVVWQDLAQ NPPPWVPASA 100
    KVAVVSDTRR PVAGRPSAPP RPPIYPATDD LLLLSEPTPP PYPAALPPPL 150
    APQAIGPPSG QMPDSSDPEG PAAGTRSRRA RSPADNSGPD STVILPLRAI 200
    GPPAEPNGLV PLQYWPFSSA DLYNWKSNHP SFSENPAGLT GLLESLMFSH 250
    QPTWDDCQQL LQILFTTEER ERILLEARKN VLGDNGAPTQ LENLINEAFP 300
    LNRPHWDYNT AAGRERLLVY RRTLVAGLKG AARRPTNLAK VREVLQGPAE 350
    PPSVFLERLM EAYRRYTPFD PSSEGQQAAV AMAFIGQSAP DIKKKLQRLE 400
    GLQDYSLQDL VKEAEKVYHK RETEEERQER EKKEAEEKER RRDRPKKKNL 450
    TKILAAVVSR EGSTGRQTGN LSNQAKKTPR DGRPPLDKDQ CAYCKEKGHW 500
    ARECPRKKHV REAKVLALDN 520
    Length:520
    Mass (Da):58,110
    Last modified:January 23, 2007 - v3
    Checksum:i77FE4760E61D1E2D
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M26927 Genomic RNA. Translation: AAA46809.1.
    PIRiA32595. FOLJGL.
    RefSeqiNP_056789.1. NC_001885.2.

    Genome annotation databases

    GeneIDi1491894.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M26927 Genomic RNA. Translation: AAA46809.1 .
    PIRi A32595. FOLJGL.
    RefSeqi NP_056789.1. NC_001885.2.

    3D structure databases

    ProteinModelPortali P21416.
    SMRi P21416. Positions 5-98, 212-333, 338-369, 481-508.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    GeneIDi 1491894.

    Family and domain databases

    Gene3Di 1.10.150.180. 1 hit.
    1.10.375.10. 1 hit.
    4.10.60.10. 1 hit.
    InterProi IPR000840. G_retro_matrix_N.
    IPR003036. Gag_P30.
    IPR008919. Retrov_capsid_N.
    IPR010999. Retrovr_matrix_N.
    IPR001878. Znf_CCHC.
    [Graphical view ]
    Pfami PF01140. Gag_MA. 1 hit.
    PF02093. Gag_p30. 1 hit.
    PF00098. zf-CCHC. 1 hit.
    [Graphical view ]
    SMARTi SM00343. ZnF_C2HC. 1 hit.
    [Graphical view ]
    SUPFAMi SSF47836. SSF47836. 1 hit.
    SSF47943. SSF47943. 1 hit.
    SSF57756. SSF57756. 1 hit.
    PROSITEi PS50158. ZF_CCHC. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Genetic organization of gibbon ape leukemia virus."
      Delassus S., Sonigo P., Wain-Hobson S.
      Virology 173:205-213(1989) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

    Entry informationi

    Entry nameiGAG_GALV
    AccessioniPrimary (citable) accession number: P21416
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: May 1, 1991
    Last sequence update: January 23, 2007
    Last modified: October 1, 2014
    This is version 89 of the entry and version 3 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programViral Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3