CD155

Source: Wikipedia, the free encyclopedia.
PVR
Gene ontology
Molecular function
Cellular component
Biological process
Sources:Amigo / QuickGO
Ensembl
UniProt
RefSeq (mRNA)

NM_001135768
NM_001135769
NM_001135770
NM_006505

n/a

RefSeq (protein)

NP_001129240
NP_001129241
NP_001129242
NP_006496

n/a

Location (UCSC)Chr 19: 44.64 – 44.67 Mbn/a
PubMed search[2]n/a
Wikidata
View/Edit Human

CD155 (cluster of differentiation 155), also known as the poliovirus receptor, is a protein that in humans is encoded by the PVR gene.[3][4] It is a transmembrane protein that is involved in forming junctions between neighboring cells. It is also the molecule that poliovirus uses to enter cells. The gene is specific to the primates.

Function

CD155 is a Type I

epithelial cells.[6]

The external domain mediates cell attachment to the extracellular matrix molecule vitronectin, while its intracellular domain interacts with the dynein light chain Tctex-1/DYNLT1.

The role of CD155 in the

T cells in the thymus.[citation needed
]

Polio

Commonly known as Poliovirus Receptor (PVR), the protein serves as a cellular receptor for poliovirus in the first step of poliovirus replication.

Transgenic mice that express the PVR gene have been constructed in order to study polio experimentally.[7]

Structure

CD155 is a transmembrane protein with 3 extracellular immunoglobulin-like domains, D1-D3, where D1 is recognized by the virus.[8]

Low resolution structures of CD155 complexed with poliovirus have been obtained using electron microscopy[9] while a high resolution structures of the ectodomain D1 and D2 of CD155 were solved by x-ray crystallography.[8]

References

  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000073008Ensembl, May 2017
  2. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. ^ "Entrez Gene: poliovirus receptor".
  4. PMID 2170108
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  6. ^ .
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  8. ^ .
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External links

Further reading

This article incorporates text from the United States National Library of Medicine, which is in the public domain.


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