| Domain | Name | Category | Type |
| IPR000719 | Protein kinase domain | Domain | Domain |
| IPR000959 | POLO box domain | Domain | Domain |
| IPR008266 | Tyrosine-protein kinase, active site | Site | Active site |
| IPR011009 | Protein kinase-like domain superfamily | Family | Homologous superfamily |
| IPR017441 | Protein kinase, ATP binding site | Site | Binding site |
| IPR033696 | Plk4, C-terminal polo-box domain | Domain | Domain |
| IPR033698 | Plk4, second cryptic polo-box domain | Domain | Domain |
| IPR033699 | Plk4, first cryptic polo-box domain | Domain | Domain |
| IPR033700 | Serine/threonine-protein kinase Plk4 | Family | Family |