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Protein Page:
PVR (human)

Overview
PVR Mediates NK cell adhesion and triggers NK cell effector functions. Binds two different NK cell receptors: CD96 and CD226. These interactions accumulates at the cell-cell contact site, leading to the formation of a mature immunological synapse between NK cell and target cell. This may trigger adhesion and secretion of lytic granules and IFN-gamma and activate cytoxicity of activated NK cells. May also promote NK cell-target cell modular exchange, and PVR transfer to the NK cell. This transfer is more important in some tumor cells expressing a lot of PVR, and may trigger fratricide NK cell activation, providing tumors with a mechanism of immunoevasion. Plays a role in mediating tumor cell invasion and migration. Serves as a receptor for poliovirus attachment to target cells. May play a role in axonal transport of poliovirus, by targeting virion-PVR-containing endocytic vesicles to the microtubular network through interaction with DYNLT1. This interaction would drive the virus-containing vesicle to the axonal retrograde transport. Belongs to the nectin family. 4 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Immunoglobulin superfamily; Membrane protein, integral; Motility/polarity/chemotaxis; Receptor, misc.
Chromosomal Location of Human Ortholog: 19q13.2
Cellular Component: cell surface; cell-cell adherens junction; cytoplasm; extracellular space; focal adhesion; integral to membrane; integral to plasma membrane; plasma membrane
Molecular Function: cell adhesion molecule binding; protein binding; protein homodimerization activity; receptor activity; receptor binding
Biological Process: cell recognition; heterophilic cell adhesion; homophilic cell adhesion; positive regulation of natural killer cell mediated cytotoxicity; positive regulation of natural killer cell mediated cytotoxicity directed against tumor cell target; regulation of immune response; susceptibility to natural killer cell mediated cytotoxicity
Reference #:  P15151 (UniProtKB)
Alt. Names/Synonyms: CD155; FLJ25946; HVED; NECL-5; NECL5; nectin-like 5; Nectin-like protein 5; Poliovirus receptor; PVR; PVS; TAGE4
Gene Symbols: PVR
Molecular weight: 45,303 Da
Basal Isoelectric point: 6.07  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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PVR

Protein Structure Not Found.
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