4I04

Structure of zymogen of cathepsin B1 from Schistosoma mansoni

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Cysteine proteinases	8066341	3001808	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cysteine proteinases	8066341	3001808	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cysteine proteinases	8066341	3001808	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cysteine proteinases	8066341	3001808	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00112,PF08127	e4i04A1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: PF00112,PF08127	ECOD (1.6)
B	PF00112,PF08127	e4i04B1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: PF00112,PF08127	ECOD (1.6)
C	PF00112,PF08127	e4i04C1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: PF00112,PF08127	ECOD (1.6)
D	PF00112,PF08127	e4i04D1	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: PF00112,PF08127	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)
B	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)
C	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)
D	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00112	Papain family cysteine protease (Peptidase_C1)	Papain family cysteine protease	-	Domain
A, B, C, D	PF08127	Peptidase family C1 propeptide (Propeptide_C1)	Peptidase family C1 propeptide	-	Motif

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Cathepsin B-like peptidase (C01 family)	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity	organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A, B, C, D	IPR025661	Cysteine peptidase, asparagine active site	Active Site
A, B, C, D	IPR000169	Cysteine peptidase, cysteine active site	Active Site
A, B, C, D	IPR012599	Peptidase C1A, propeptide	Domain
A, B, C, D	IPR025660	Cysteine peptidase, histidine active site	Active Site
A, B, C, D	IPR013128	Peptidase C1A	Family
A, B, C, D	IPR000668	Peptidase C1A, papain C-terminal	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.