| Domain | Name | Category | Type |
| IPR002035 | von Willebrand factor, type A | Domain | Domain |
| IPR002223 | Pancreatic trypsin inhibitor Kunitz domain | Domain | Domain |
| IPR003961 | Fibronectin type III | Domain | Domain |
| IPR008160 | Collagen triple helix repeat | Repeat | Repeat |
| IPR013783 | Immunoglobulin-like fold | Family | Homologous superfamily |
| IPR020901 | Proteinase inhibitor I2, Kunitz, conserved site | Site | Conserved site |
| IPR036116 | Fibronectin type III superfamily | Family | Homologous superfamily |
| IPR036465 | von Willebrand factor A-like domain superfamily | Family | Homologous superfamily |
| IPR036880 | Pancreatic trypsin inhibitor Kunitz domain superfamily | Family | Homologous superfamily |