| Domain | Name | Category | Type |
| IPR013568 | SEFIR domain | Domain | Domain |
| IPR032356 | Interleukin-17 receptor, fibronectin-III-like domain 1 | Domain | Domain |
| IPR038683 | Interleukin-17 receptor A/B, FnIII-like domain 1 superfamily | Family | Homologous superfamily |
| IPR039465 | Interleukin-17 receptor-like | Family | Family |
| IPR043046 | Interleukin-17 receptor A/B, FnIII-like domain 2 superfamily | Family | Homologous superfamily |