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Q86218

- VP2_ROTSR

UniProt

Q86218 - VP2_ROTSR

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Protein
Inner capsid protein VP2
Gene
N/A
Organism
Rotavirus A (strain SA11-Ramig G3-Px[x]-Ix-Rx-Cx-Mx-Ax-Nx-Tx-Ex-Hx) (RV-A) (Simian Agent 11 (strain Ramig))
Status
Reviewed - Annotation score: 2 out of 5 - Protein inferred from homologyi

Functioni

Inner capsid protein that self assembles to form an icosahedral capsid with a T=2 symmetry, which consists of 120 copies of VP2, with channels at each of its five-fold vertices. This capsid constitutes the innermost concentric layer of the viral mature particle. It encapsidates the polymerase VP1, the capping enzyme VP3 and the genomic dsRNA, thereby defining the core. The innermost VP2 capsid and the intermediate VP6 capsid remain intact following cell entry to protect the dsRNA from degradation and to prevent unfavorable antiviral responses in the host cell during all the replication cycle of the virus. Nacent transcripts are transcribed within the structural confines of this double-layered particle (DLP) and are extruded through the channels at the five-fold axes. VP2 is required for the replicase activity of VP1 polymerase. It probably plays a role in the coordination of packaging and genome replication by controlling the initiation of minus-strand synthesis. Binding to the polymerase VP1 presumably activates the autoinhibited VP1-RNA complex which will start the synthesis of the complementary minus-strand By similarity.

GO - Molecular functioni

  1. RNA binding Source: UniProtKB-KW
Complete GO annotation...

Keywords - Ligandi

RNA-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Inner capsid protein VP2
OrganismiRotavirus A (strain SA11-Ramig G3-Px[x]-Ix-Rx-Cx-Mx-Ax-Nx-Tx-Ex-Hx) (RV-A) (Simian Agent 11 (strain Ramig))
Taxonomic identifieri36435 [NCBI]
Taxonomic lineageiVirusesdsRNA virusesReoviridaeSedoreovirinaeRotavirusRotavirus A
Virus hostiMacaca mulatta (Rhesus macaque) [TaxID: 9544]

Subcellular locationi

Virion Reviewed prediction
Note: Inner capsid protein. Also found in spherical cytoplasmic structures, called virus factories, that appear early after infection and are the site of viral replication and packaging.

GO - Cellular componenti

  1. viral inner capsid Source: UniProtKB-KW
  2. viral nucleocapsid Source: InterPro
Complete GO annotation...

Keywords - Cellular componenti

Capsid protein, Inner capsid protein, Virion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 882882Inner capsid protein VP2
PRO_0000368065Add
BLAST

Interactioni

Subunit structurei

Dimer Reviewed prediction. Interacts with VP1; this interaction presumably activates VP1. Interacts with VP3. Interacts with VP6. Interacts with NSP5 By similarity.

Family & Domainsi

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 9494Interaction with VP1 and VP3 By similarity
Add
BLAST
Regioni396 – 41621Hydrophobic By similarity
Add
BLAST
Regioni424 – 44421Hydrophobic By similarity
Add
BLAST
Regioni538 – 55922Leucine-zipper 1 Reviewed prediction
Add
BLAST
Regioni667 – 68822Leucine-zipper 2 Reviewed prediction
Add
BLAST

Domaini

The N-terminus is involved in VP1 binding By similarity.

Sequence similaritiesi

Belongs to the rotavirus VP2 family.

Keywords - Domaini

Repeat

Family and domain databases

InterProiIPR007779. Rotavirus_VP2.
[Graphical view]
PfamiPF05087. Rota_VP2. 1 hit.
[Graphical view]
ProDomiPD008866. Rota_VP2. 1 hit.
[Graphical view] [Entries sharing at least one domain]

Sequencei

Sequence statusi: Complete.

Q86218-1 [UniParc]FASTAAdd to Basket

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MAYRKRGARR ETNLKQDERM QEKEDSKNIN NDSPKSQLSE KVLSKKEEII    50
TDNQEEVKIS DEVKKSNKEE SKQLLEVLKT KEEHQKEVQY EILQKTIPTF 100
EPKESILKKL EDIKPEQAKK QTKLFRIFEP KQLPIYRANG ERELRNRWYW 150
KLKRDTLPDG DYDVREYFLN LYDQVLMEMP DYLLLKDMAV ENKNSRDAGK 200
VVDSETAAIC DAIFQDEETE GAVRRFIAEM RQRVQADRNV VNYPSILHPI 250
DHAFNGYFLQ HQLVEPLNND IIFNYIPERI RNDVNYILNM DRNLPSTARY 300
IRPNLLQDRL NLHDNFESLW DTITTSNYIL ARSVVPDLKE LVSTEAQIQK 350
MSQDLQLEAL TIQSETQFLT GINSQAANDC FKTLIAAMLS QRTMSLDFVT 400
TNYMSLISGM WLLTVIPNDM FIRESLVACQ LAIINTIVYP AFGMQRMHYR 450
NGDPQTPFQI AEQQIQNFQV ANWLHFVNYN QFRQVVIDGV LNQVLNDNIR 500
NGHVVNQLME ALMQLSRQQF PTMPVDYKRS IQRGILLLSN RLGQLVDLTR 550
LLSYNYETLM ACITMNMQHV QTLTTEKLQL TSVTSLCMLI GNATVIPSPQ 600
TLFHYYNVNV NFHSNYNERI NDAVAIITAA NRLNLYQKKM KSIVEDFLKR 650
LQIFDVARVP DDQMYRLRDR LRLLPVEIRR LDIFNLIAMN MEQIERASDK 700
IAQGVIIAYR DMQLERDEMY GYVNIARNLD GFQQINLEEL MRSGDYAQIT 750
NMLLNNQPVA LVGALPFITD SSVISLIAKL DATVFAQIVK LRKVDTLKPI 800
LYKINSDSND FYLVANYDWI PTSTTKVYKQ VPQQFDFRAS MHMLTSNLTF 850
TVYSDLLAFV SADTVEPINA VAFDNMRIMN EL 882
Length:882
Mass (Da):102,669
Last modified:November 1, 1996 - v1
Checksum:i8221C2211B35681D
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L33364 Genomic RNA. Translation: AAA47349.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L33364 Genomic RNA. Translation: AAA47349.1 .

3D structure databases

ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

InterProi IPR007779. Rotavirus_VP2.
[Graphical view ]
Pfami PF05087. Rota_VP2. 1 hit.
[Graphical view ]
ProDomi PD008866. Rota_VP2. 1 hit.
[Graphical view ] [Entries sharing at least one domain ]
ProtoNeti Search...

Publicationsi

  1. "Temperature-sensitive lesions in the capsid proteins of the rotavirus mutants tsF and tsG that affect virion assembly."
    Mansell E.A., Ramig R.F., Patton J.T.
    Virology 204:69-81(1994) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

Entry informationi

Entry nameiVP2_ROTSR
AccessioniPrimary (citable) accession number: Q86218
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: November 1, 1996
Last modified: October 16, 2013
This is version 38 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

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