| Domain | Name | Category | Type |
| IPR000008 | C2 domain | Domain | Domain |
| IPR000341 | Phosphatidylinositol 3-kinase Ras-binding (PI3K RBD) domain | Domain | Domain |
| IPR000403 | Phosphatidylinositol 3-/4-kinase, catalytic domain | Domain | Domain |
| IPR001263 | Phosphoinositide 3-kinase, accessory (PIK) domain | Domain | Domain |
| IPR001683 | Phox homology | Domain | Domain |
| IPR002420 | C2 phosphatidylinositol 3-kinase-type domain | Domain | Domain |
| IPR011009 | Protein kinase-like domain superfamily | Family | Homologous superfamily |
| IPR015433 | Phosphatidylinositol kinase | Family | Family |
| IPR016024 | Armadillo-type fold | Family | Homologous superfamily |
| IPR018936 | Phosphatidylinositol 3/4-kinase, conserved site | Site | Conserved site |
| IPR029071 | Ubiquitin-like domain superfamily | Family | Homologous superfamily |
| IPR035892 | C2 domain superfamily | Family | Homologous superfamily |
| IPR036871 | PX domain superfamily | Family | Homologous superfamily |
| IPR036940 | Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily | Family | Homologous superfamily |
| IPR042134 | Phosphatidylinositol 4-phosphate 3-kinase C2 domain-containing subunit beta, PX domain | Domain | Domain |
| IPR042236 | Phosphoinositide 3-kinase, accessory (PIK) domain superfamily | Family | Homologous superfamily |