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). (mesh:D058469)
| Synonym | Reference | Specificity |
| P2X | Exact | |
| P2X purinoreceptors | Exact | |
| P2X purinoreceptor | Exact | |
| P2X receptors | Exact | |
| P2X receptor | Exact |
| Identifier | Name | Relation |
| HGNC:15459 | P2RX2 | isa |
| HGNC:8535 | P2RX4 | isa |
| HGNC:8534 | P2RX3 | isa |
| HGNC:8536 | P2RX5 | isa |
| HGNC:8538 | P2RX6 | isa |
| HGNC:8533 | P2RX1 | isa |
| HGNC:8537 | P2RX7 | isa |
| Relation | Identifier | Name |
| isa | FPLX:Ligand_gated_ion_channels | Ligand_gated_ion_channels |
| isa | FPLX:P2R | P2R |