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Q45UF2

- VP7_ROTJ1

UniProt

Q45UF2 - VP7_ROTJ1

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Protein
Outer capsid glycoprotein VP7
Gene
N/A
Organism
Rotavirus B (isolate Human/China/ADRV-N J19/1997) (RV ADRV-N) (Rotavirus (isolate novel adult diarrhea rotavirus-J19))
Status
Reviewed - Annotation score: 2 out of 5 - Protein inferred from homologyi

Functioni

Outer capsid protein involved in attachment and possibly entry into the host epithelial cell. It is subsequently lost, together with VP4, following virus entry into the host cell. The outer layer contains 780 copies of VP7, grouped as 260 trimers. Rotavirus attachment and entry into the host cell probably involves multiple sequential contacts between the outer capsid proteins VP4 and VP7, and the cell receptors By similarity.

Keywords - Ligandi

Calcium

Names & Taxonomyi

Protein namesi
Recommended name:
Outer capsid glycoprotein VP7
OrganismiRotavirus B (isolate Human/China/ADRV-N J19/1997) (RV ADRV-N) (Rotavirus (isolate novel adult diarrhea rotavirus-J19))
Taxonomic identifieri335103 [NCBI]
Taxonomic lineageiVirusesdsRNA virusesReoviridaeSedoreovirinaeRotavirusunclassified rotaviruses
Virus hostiHomo sapiens (Human) [TaxID: 9606]
ProteomesiUP000007663: Genome

Subcellular locationi

Virion Reviewed prediction. Host rough endoplasmic reticulum membrane; Single-pass membrane protein; Lumenal side Reviewed prediction
Note: Immature double-layered particles assembled in the cytoplasm bud across the membrane of the endoplasmic reticulum, acquiring during this process a transient lipid membrane that is modified with the ER resident viral glycoproteins NSP4 and VP7; these enveloped particles also contain VP4. As the particles move towards the interior of the ER cisternae, the transient lipid membrane and the non-structural protein NSP4 are lost, while the virus surface proteins VP4 and VP7 rearrange to form the outermost virus protein layer, yielding mature infectious triple-layered particles By similarity.

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei1 – ?1313Helical; Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. T=13 icosahedral viral capsid Source: UniProtKB-KW
  2. host cell rough endoplasmic reticulum membrane Source: UniProtKB-SubCell
  3. integral component of membrane Source: UniProtKB-KW
  4. viral outer capsid Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Capsid protein, Host endoplasmic reticulum, Host membrane, Membrane, Outer capsid protein, T=13 icosahedral capsid protein, Virion

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 258258Outer capsid glycoprotein VP7
PRO_0000369863Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Glycosylationi42 – 421N-linked (GlcNAc...); by host Reviewed prediction

Keywords - PTMi

Glycoprotein

Interactioni

Subunit structurei

Homotrimer; in the presence of calcium By similarity. Acquisition of the capsid outer layer requires a high calcium concentration inside the endoplasmic reticulum. Following cell entry, the low calcium concentration in the cytoplasm is probably responsible for the solubilization of the outer layer By similarity.

Family & Domainsi

Sequence similaritiesi

Belongs to the rotavirus VP7 family.

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

InterProiIPR008818. Rotavirus_VP7.
[Graphical view]
PfamiPF05868. Rotavirus_VP7. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q45UF2-1 [UniParc]FASTAAdd to Basket

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MLLFIILSVG VDAISYIQND RSNDLCIVYE MTSFGTSFNN ANDSLVKLHK    50
HMGLKYEVCK IESNANALTQ MQKCNCIYDD TPQIVVFTNF KKSSLKTLIG 100
TENKCELLPQ TTIYTPTVDI ESEYFIYGND VKICYLDKNL LGIGCDATDT 150
TSWLDLDAGL PTNHALDIPE ITSDGFKLFA KYSDSFLCQR LMDEPKKQIQ 200
FYAEVDNVPS NDVIESSRSW ASVWKVVKTV LHFTYHILDL FYGNRRATAR 250
MIEHSPLG 258
Length:258
Mass (Da):29,265
Last modified:September 13, 2005 - v1
Checksum:i55DFEC621B61DBB8
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ113905 Genomic RNA. Translation: AAZ03493.1.
RefSeqiYP_392498.1. NC_007556.1.

Genome annotation databases

GeneIDi5076658.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ113905 Genomic RNA. Translation: AAZ03493.1 .
RefSeqi YP_392498.1. NC_007556.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 5076658.

Family and domain databases

InterProi IPR008818. Rotavirus_VP7.
[Graphical view ]
Pfami PF05868. Rotavirus_VP7. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Molecular characterization of a novel adult diarrhoea rotavirus strain J19 isolated in China and its significance for the evolution and origin of group B rotaviruses."
    Jiang S., Ji S., Tang Q., Cui X., Yang H., Kan B., Gao S.
    J. Gen. Virol. 89:2622-2629(2008) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

Entry informationi

Entry nameiVP7_ROTJ1
AccessioniPrimary (citable) accession number: Q45UF2
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: September 13, 2005
Last modified: February 19, 2014
This is version 37 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, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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