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P2X purinoceptor 4

UniProtKB accession:  Q99571
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Polymer Entities matching query 4
Go to UniProtKB:  Q99571
UniProtKB description:  ATP-gated nonselective transmembrane cation channel permeable to potassium, sodium and calcium (PubMed:9016352). CTP, but not GTP or UTP, functions as a weak affinity agonist for P2RX4 (By similarity). Activated by extracellularly released ATP, it plays multiple role in immunity and central nervous system physiology (PubMed:35165166). Plays a key role in initial steps of T-cell activation and Ca(2+) microdomain formation (By similarity). Participates also in basal T-cell activity without TCR/CD3 stimulation (By similarity). Promotes the differentiation and activation of Th17 cells via expression of retinoic acid-related orphan receptor C/RORC (PubMed:35165166). Upon activation, drives microglia motility via the PI3K/Akt pathway (By similarity). Could also function as an ATP-gated cation channel of lysosomal membranes (By similarity).
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PFAM Domain
InterPro Domain


Function
GO Molecular Function
GO Biological Process
[ 24+ ]
GO Cellular Component
[ 3+ ]
Disease Association
[ 6+ ]