Receptors, Purinergic P2X

**Definition:** A subclass of purinergic P2 receptors that signal by means of a ligand-gated ion channel. They are comprised of three P2X subunits which can be identical (homotrimeric form) or dissimilar (heterotrimeric form).

**Tree numbers:** - D12.776.157.530.400.400.750 - D12.776.543.550.450.500.600 - D12.776.543.585.400.500.600 - D12.776.543.750.695.700.720.250 - D12.776.543.750.720.700.720.500

**Synonyms:** - P2X Purinoceptor - P2X Purinoceptors