| Domain | Name | Category | Type |
| IPR000209 | Peptidase S8/S53 domain | Domain | Domain |
| IPR000742 | EGF-like domain | Domain | Domain |
| IPR002884 | P domain | Domain | Domain |
| IPR006212 | Furin-like repeat | Repeat | Repeat |
| IPR008979 | Galactose-binding-like domain superfamily | Family | Homologous superfamily |
| IPR009030 | Growth factor receptor cysteine-rich domain superfamily | Family | Homologous superfamily |
| IPR015500 | Peptidase S8, subtilisin-related | Family | Family |
| IPR022398 | Peptidase S8, subtilisin, His-active site | Site | Active site |
| IPR023827 | Peptidase S8, subtilisin, Asp-active site | Site | Active site |
| IPR023828 | Peptidase S8, subtilisin, Ser-active site | Site | Active site |
| IPR032778 | Growth factor receptor domain 4 | Domain | Domain |
| IPR032815 | Peptidase S8, pro-domain | Domain | Domain |
| IPR034182 | Kexin/furin catalytic domain | Domain | Domain |
| IPR036852 | Peptidase S8/S53 domain superfamily | Family | Homologous superfamily |
| IPR038466 | Peptidase S8, pro-domain superfamily | Family | Homologous superfamily |