| Domain | Name | Category | Type |
| IPR000008 | C2 domain | Domain | Domain |
| IPR000909 | Phosphatidylinositol-specific phospholipase C, X domain | Domain | Domain |
| IPR001192 | Phosphoinositide phospholipase C family | Family | Family |
| IPR001711 | Phospholipase C, phosphatidylinositol-specific, Y domain | Domain | Domain |
| IPR011992 | EF-hand domain pair | Family | Homologous superfamily |
| IPR014815 | Phospholipase C-beta, C-terminal domain | Domain | Domain |
| IPR015359 | Phosphoinositide-specific phospholipase C, EF-hand-like domain | Domain | Domain |
| IPR016280 | Phosphatidylinositol-4, 5-bisphosphate phosphodiesterase beta | Family | Family |
| IPR017946 | PLC-like phosphodiesterase, TIM beta/alpha-barrel domain superfamily | Family | Homologous superfamily |
| IPR028403 | 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-2 | Family | Family |
| IPR035892 | C2 domain superfamily | Family | Homologous superfamily |
| IPR037862 | PLC-beta, PH domain | Domain | Domain |
| IPR042531 | Phospholipase C-beta, C-terminal domain superfamily | Family | Homologous superfamily |