| Domain | Name | Category | Type |
| IPR000403 | Phosphatidylinositol 3-/4-kinase, catalytic domain | Domain | Domain |
| IPR003152 | FATC domain | Domain | Domain |
| IPR011009 | Protein kinase-like domain superfamily | Family | Homologous superfamily |
| IPR014009 | PIK-related kinase | Domain | Domain |
| IPR016024 | Armadillo-type fold | Family | Homologous superfamily |
| IPR018936 | Phosphatidylinositol 3/4-kinase, conserved site | Site | Conserved site |
| IPR031559 | Serine/threonine-protein kinase SMG1 | Family | Family |
| IPR035175 | Serine/threonine-protein kinase SMG1, N-terminal | Domain | Domain |
| IPR036940 | Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily | Family | Homologous superfamily |
| IPR039414 | SMG1, PIKK catalytic domain | Domain | Domain |