P2 receptor
Encyclopedia
P2 receptor may refer to:
  • P2Y receptors
  • P2X receptors


P is for purinergic, P2 refers to ATP receptors, as opposed to P1 adenosine adenosine receptor
Adenosine receptor
The adenosine receptors are a class of purinergic receptors, G protein-coupled receptors with adenosine as endogenous ligand.-Pharmacology:...

s. P2X receptors are ATP activated channels that allows the passage of ions across cell membranes. P2Y receptors are ATP activated G protein-coupled receptor
G protein-coupled receptor
G protein-coupled receptors , also known as seven-transmembrane domain receptors, 7TM receptors, heptahelical receptors, serpentine receptor, and G protein-linked receptors , comprise a large protein family of transmembrane receptors that sense molecules outside the cell and activate inside signal...

s (GPCRs) that initiate an intracellular chain of reactions.
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