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Q0H8C3

- VP7_ROTB2

UniProt

Q0H8C3 - VP7_ROTB2

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Protein
Outer capsid glycoprotein VP7
Gene
N/A
Organism
Rotavirus (isolate Human/Bangladesh/ADRV-N B219/2002) (RV ADRV-N) (Rotavirus (isolate novel adult diarrhea rotavirus-B219))
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 (isolate Human/Bangladesh/ADRV-N B219/2002) (RV ADRV-N) (Rotavirus (isolate novel adult diarrhea rotavirus-B219))
Taxonomic identifieri348136 [NCBI]
Taxonomic lineageiVirusesdsRNA virusesReoviridaeSedoreovirinaeRotavirusunclassified rotaviruses
Virus hostiHomo sapiens (Human) [TaxID: 9606]
ProteomesiUP000008656: 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_0000369862Add
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.

Q0H8C3-1 [UniParc]FASTAAdd to Basket

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MLLFIILSVG VDAISYIQND RSNDLCIIYE MTSFGASFNN ANDSLVKLHR    50
HMGLKYEICK IESNANALTQ MQKCNCLYDD TPQIVVFTNF RKSSLKTLIG 100
TENKCELLPQ TTIYTPTVDI ESEYFIYGND VKICYLDKNL LGIGCDATDT 150
TSWLDLDAGL PTNHAIDIPE ITSDGFKLFA KYGDSFLCQR LMDEPKKQIQ 200
FYAEVDNVPS NDVIESSRSW ASVWKVVKTV LHFTYHILDL FYGNKRATAR 250
MIEHSPLG 258
Length:258
Mass (Da):29,261
Last modified:October 3, 2006 - v1
Checksum:i03ADE4771936F3CF
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ168034 Genomic RNA. Translation: ABA60394.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ168034 Genomic RNA. Translation: ABA60394.1 .

3D structure databases

ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

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

Publicationsi

  1. "Genetic analysis of an ADRV-N-like novel rotavirus strain B219 detected in a sporadic case of adult diarrhea in Bangladesh."
    Alam M.M., Kobayashi N., Ishino M., Ahmed M.S., Ahmed M.U., Paul S.K., Muzumdar B.K., Hussain Z., Wang Y.H., Naik T.N.
    Arch. Virol. 152:199-208(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC RNA].

Entry informationi

Entry nameiVP7_ROTB2
AccessioniPrimary (citable) accession number: Q0H8C3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: October 3, 2006
Last modified: February 19, 2014
This is version 31 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

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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