| Domain | Name | Category | Type | 
	
		| IPR000436  | Sushi/SCR/CCP domain | Domain | Domain | 
	
		| IPR001254  | Serine proteases, trypsin domain | Domain | Domain | 
	
		| IPR001314  | Peptidase S1A, chymotrypsin family | Family | Family | 
	
		| IPR002035  | von Willebrand factor, type A | Domain | Domain | 
	
		| IPR009003  | Peptidase S1, PA clan | Family | Homologous superfamily | 
	
		| IPR011360  | Complement B/C2 | Family | Family | 
	
		| IPR018114  | Serine proteases, trypsin family, histidine active site | Site | Active site | 
	
		| IPR028341  | Complement factor B | Family | Family | 
	
		| IPR033116  | Serine proteases, trypsin family, serine active site | Site | Active site | 
	
		| IPR035976  | Sushi/SCR/CCP superfamily | Family | Homologous superfamily | 
	
		| IPR036465  | von Willebrand factor A-like domain superfamily | Family | Homologous superfamily | 
	
		| IPR043504  | Peptidase S1, PA clan, chymotrypsin-like fold | Family | Homologous superfamily |