1KWM

Human procarboxypeptidase B: Three-dimensional structure and implications for thrombin-activatable fibrinolysis inhibitor (TAFI)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1kwma1	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase B	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1kwma2	Alpha and beta proteins (a+b)	Ferredoxin-like	Protease propeptides/inhibitors	Pancreatic carboxypeptidase, activation domain	Procarboxypeptidase B	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1kwmb1	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase B	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1kwmb2	Alpha and beta proteins (a+b)	Ferredoxin-like	Protease propeptides/inhibitors	Pancreatic carboxypeptidase, activation domain	Procarboxypeptidase B	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Pancreatic carboxypeptidase-like	8028296	4000582	SCOP2 (2022-06-29)
A	SCOP2 Family	Pancreatic carboxypeptidase, activation domain	8028297	4001250	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Zn-dependent exopeptidases	8040675	3000662	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Protease propeptides/inhibitors	8040676	3001155	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Zn-dependent exopeptidases	8040675	3000662	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Protease propeptides/inhibitors	8040676	3001155	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	Peptidase_M14	e1kwmA2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (1.6)
B	Peptidase_M14	e1kwmB2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M14	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.340	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Metallocarboxypeptidase-like	CATH (4.3.0)
A	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
B	3.30.70.340	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Metallocarboxypeptidase-like	CATH (4.3.0)
B	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02244	Carboxypeptidase activation peptide (Propep_M14)	Carboxypeptidase activation peptide	Carboxypeptidases are found in abundance in pancreatic secretions. The pro-segment moiety (activation peptide) accounts for up to a quarter of the total length of the peptidase, and is responsible for modulation of folding and activity of the pro- ...	Carboxypeptidases are found in abundance in pancreatic secretions. The pro-segment moiety (activation peptide) accounts for up to a quarter of the total length of the peptidase, and is responsible for modulation of folding and activity of the pro-enzyme.	Domain
A, B	PF00246	Zinc carboxypeptidase (Peptidase_M14)	Zinc carboxypeptidase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Procarboxypeptidase B	peptidase activity catalytic activity, acting on a protein metallocarboxypeptidase activity hydrolase activity metallopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity carboxypeptidase activity cation binding transition metal ion binding zinc ion binding ion binding binding peptidase activity catalytic activity, acting on a protein metallocarboxypeptidase activity hydrolase activity metallopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity carboxypeptidase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoplasmic vesicle organelle intracellular vesicle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle vesicle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR034253	Carboxypeptidase B, carboxypeptidase domain	Domain
A, B	IPR036990	Metallocarboxypeptidase-like, propeptide	Homologous Superfamily
A, B	IPR003146	Carboxypeptidase, activation peptide	Domain
A, B	IPR000834	Peptidase M14, carboxypeptidase A	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P15086	large cell medulloblastoma pancreatic intraductal papillary-mucinous neoplasm ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia pancreatic intraductal papillary-mucinous carcinoma psoriasis

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.