3WQB | pdb_00003wqb

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	P_proprotein	e3wqbA2	A: beta sandwiches	X: jelly-roll	H: Concanavalin A-like	T: Galactose-binding domain-like	F: P_proprotein	ECOD (1.6)
A	Peptidase_S8	e3wqbA1	A: a/b three-layered sandwiches	X: Subtilisin-like	H: Subtilisin-like (From Topology)	T: Subtilisin-like	F: Peptidase_S8	ECOD (1.6)
B	EUF08346	e3wqbB1	A: a+b two layers	X: Alpha-beta plaits	H: Protease propeptides/inhibitors (From Topology)	T: Protease propeptides/inhibitors	F: EUF08346	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.200	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Peptidase S8/S53 domain	CATH (4.3.0)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Extracellular serine protease	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity cation binding ion binding binding metal ion binding small molecule binding	primary metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process	cellular anatomical structure endomembrane system membrane extracellular region periplasmic space intracellular anatomical structure cytoplasm
B	Open reading frame 2	-	-	cellular anatomical structure periplasmic space extracellular region

Chains	Accession	Name	Type
A	IPR023828	Peptidase S8, subtilisin, Ser-active site	Active Site
A	IPR022398	Peptidase S8, subtilisin, His-active site	Active Site
A	IPR034182	Kexin/furin catalytic domain	Domain
A	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A	IPR002884	P domain	Domain
A	IPR000209	Peptidase S8/S53 domain	Domain
A	IPR015500	Peptidase S8, subtilisin-related	Family
A	IPR036852	Peptidase S8/S53 domain superfamily	Homologous Superfamily
A	IPR023827	Peptidase S8, subtilisin, Asp-active site	Active Site
B	IPR040536	ASP external chaperone	Domain