3PW3 | pdb_00003pw3

Crystal structure of a cysteine protease (BDI_2249) from Parabacteroides distasonis ATCC 8503 at 2.23 A resolution

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F	Peptidase_C1	e3pw3F2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
E	Peptidase_C1	e3pw3E2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
D	Peptidase_C1	e3pw3D2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
C	Peptidase_C1	e3pw3C2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
B	Peptidase_C1	e3pw3B2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)
A	Peptidase_C1	e3pw3A2	A: a+b complex topology	X: Cysteine proteinases-like	H: Cysteine proteinases (From Topology)	T: Cysteine proteinases	F: Peptidase_C1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	3.90.70.10	Alpha Beta	Alpha-Beta Complex	Cathepsin B	Chain A	CATH (4.3.0)
E	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)
C	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)
A	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, E A, B, C, D, E, F	PF03051	Peptidase C1-like family (Peptidase_C1_2)	Peptidase C1-like family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Aminopeptidase C	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type aminopeptidase activity aminopeptidase activity hydrolase activity cysteine-type exopeptidase activity exopeptidase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process response to stimulus response to chemical response to toxic substance catabolic process oxoacid metabolic process sulfur amino acid metabolic process amino acid metabolic process organic acid catabolic process proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process response to stimulus response to chemical response to toxic substance catabolic process oxoacid metabolic process sulfur amino acid metabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process homocysteine catabolic process non-proteinogenic amino acid metabolic process carboxylic acid catabolic process small molecule metabolic process sulfur compound metabolic process amino acid catabolic process homocysteine metabolic process non-proteinogenic amino acid catabolic process carboxylic acid metabolic process sulfur compound catabolic process alpha-amino acid catabolic process sulfur amino acid catabolic process small molecule catabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR000169	Cysteine peptidase, cysteine active site	Active Site
A, B, C, D, E A, B, C, D, E, F	IPR004134	Peptidase C1B, bleomycin hydrolase	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.