| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| P2rx1 | — | P2X_receptor | Ion channels |
| P2rx2 | — | P2X_receptor, WAP | Ion channels |
| P2rx3 | — | CedA1, Dickkopf_N, P2X_receptor | Ion channels |
| P2rx4 | — | P2X_receptor | Ion channels |
| P2rx5 | — | P2X_receptor | Ion channels |
| P2rx6 | — | P2X_receptor, WAP | Ion channels |
| P2rx7 | — | Keratin_matx, P2RX7_C, P2X_receptor | Ion channels |