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Protein

Protein Vpr

Gene

vpr

Organism
Human immunodeficiency virus 1
Status
Unreviewed-Annotation score: Annotation score: 2 out of 5-Protein predictedi

Functioni

During virus entry, plays a role in the transport of the viral pre-integration (PIC) complex to the host nucleus. This function is crucial for viral infection of non-dividing macrophages. May act directly at the nuclear pore complex, by binding nucleoporins phenylalanine-glycine (FG)-repeat regions.UniRule annotation
During virus replication, may deplete host UNG protein, and incude G2-M cell cycle arrest. Acts by targeting specific host proteins for degradation by the 26S proteasome, through association with the cellular CUL4A-DDB1 E3 ligase complex by direct interaction with host VPRPB/DCAF-1. Cell cycle arrest reportedly occurs within hours of infection and is not blocked by antiviral agents, suggesting that it is initiated by the VPR carried into the virion. Additionally, VPR induces apoptosis in a cell cycle dependent manner suggesting that these two effects are mechanistically linked. Detected in the serum and cerebrospinal fluid of AIDS patient, VPR may also induce cell death to bystander cells.UniRule annotation

GO - Biological processi

Keywordsi

Molecular functionActivatorUniRule annotationSAAS annotation
Biological processCell cycleUniRule annotationSAAS annotation, Host-virus interactionUniRule annotationSAAS annotation, Transcription, Transcription regulationUniRule annotationSAAS annotation, Viral penetration into host nucleusUniRule annotationSAAS annotation, Virus entry into host cell

Names & Taxonomyi

Protein namesi
Recommended name:
Protein VprUniRule annotationSAAS annotation
Alternative name(s):
Viral protein RUniRule annotation
Gene namesi
Name:vprUniRule annotationImported
OrganismiHuman immunodeficiency virus 1Imported
Taxonomic identifieri11676 [NCBI]
Taxonomic lineageiVirusesRetro-transcribing virusesRetroviridaeOrthoretrovirinaeLentivirusPrimate lentivirus group
Virus hostiHomo sapiens (Human) [TaxID: 9606]

Subcellular locationi

  • Host nucleus SAAS annotation
  • Virion UniRule annotation
  • Host nucleus UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Host nucleusUniRule annotationSAAS annotation, VirionUniRule annotationSAAS annotation

Structurei

3D structure databases

ProteinModelPortaliQ71938.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Family and domain databases

InterProiView protein in InterPro
IPR000012. RetroV_VpR/X.
PfamiView protein in Pfam
PF00522. VPR. 1 hit.
PRINTSiPR00444. HIVVPRVPX.

Sequencei

Sequence statusi: Complete.

Q71938-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MEQAPEDQGP QREPYNAWTL ELLEELKSEA VRHFPRRWLH DLGQYIYETY
60 70 80 90
GDTWAGVEAI IRILQQLLFI HFRIGCHHSR IGIIRQRRAR NGASRS
Length:96
Mass (Da):11,398
Last modified:November 1, 1996 - v1
Checksum:iB8119E21E985C233
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U24453 Genomic DNA. Translation: AAA79588.1.

Similar proteinsi

Entry informationi

Entry nameiQ71938_9HIV1
AccessioniPrimary (citable) accession number: Q71938
Entry historyiIntegrated into UniProtKB/TrEMBL: November 1, 1996
Last sequence update: November 1, 1996
Last modified: September 27, 2017
This is version 79 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)