| Domain | Name | Category | Type |
| IPR000210 | BTB/POZ domain | Domain | Domain |
| IPR003131 | Potassium channel tetramerisation-type BTB domain | Domain | Domain |
| IPR003968 | Potassium channel, voltage dependent, Kv | Family | Family |
| IPR003975 | Potassium channel, voltage dependent, Kv4 | Family | Family |
| IPR004054 | Potassium channel, voltage dependent, Kv4.1 | Family | Family |
| IPR005821 | Ion transport domain | Domain | Domain |
| IPR011333 | SKP1/BTB/POZ domain superfamily | Family | Homologous superfamily |
| IPR021645 | Shal-type voltage-gated potassium channels, N-terminal | Domain | Domain |
| IPR024587 | Potassium channel, voltage dependent, Kv4, C-terminal | Domain | Domain |
| IPR027359 | Voltage-dependent channel domain superfamily | Family | Homologous superfamily |
| IPR028325 | Voltage-gated potassium channel | Family | Family |