4A94 | pdb_00004a94

Structure of the carboxypeptidase inhibitor from Nerita versicolor in complex with human CPA4

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
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Zn-dependent exopeptidases	8038429	3000662	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Zn-dependent exopeptidases	8038429	3000662	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)
D	EUF08729	e4a94D1	A: few secondary structure elements	X: EGF-like	H: Carboxypeptidase inhibitor (From Topology)	T: Carboxypeptidase inhibitor	F: EUF08729	ECOD (1.6)
C	EUF08729	e4a94C1	A: few secondary structure elements	X: EGF-like	H: Carboxypeptidase inhibitor (From Topology)	T: Carboxypeptidase inhibitor	F: EUF08729	ECOD (1.6)
B	Peptidase_M14	e4a94B1	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)
A	Peptidase_M14	e4a94A1	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)
D	2.10.25.90	Mainly Beta	Ribbon	Laminin		CATH (4.3.0)
C	2.10.25.90	Mainly Beta	Ribbon	Laminin		CATH (4.3.0)
B	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
A	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	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
C, D	CARBOXYPEPTIDASE INHIBITOR	cation binding ion binding binding metal ion binding small molecule binding enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity metalloendopeptidase inhibitor activity endopeptidase inhibitor activity	negative regulation of hydrolase activity regulation of cellular process negative regulation of proteolysis regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity negative regulation of endopeptidase activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis regulation of endopeptidase activity negative regulation of cellular process protein metabolic process negative regulation of hydrolase activity regulation of cellular process negative regulation of proteolysis regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity negative regulation of endopeptidase activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis regulation of endopeptidase activity negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biological process regulation of protein metabolic process negative regulation of metabolic process regulation of peptidase activity biological regulation negative regulation of molecular function primary metabolic process regulation of macromolecule metabolic process regulation of molecular function regulation of hydrolase activity metabolic process cellular process macromolecule metabolic process regulation of metabolic process	-
A, B	CARBOXYPEPTIDASE A4	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	catabolic process regulation of hormone levels biological regulation metabolic process cellular process regulation of biological quality hormone metabolic process hormone catabolic process peptide metabolic process peptide catabolic process proteolysis primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C, D	IPR053736	Metallocarboxypeptidase Inhibitor Domain-containing Protein	Homologous Superfamily
A, B	IPR036990	Metallocarboxypeptidase-like, propeptide	Homologous Superfamily
A, B	IPR034248	Carboxypeptidase A, carboxypeptidase domain	Domain
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: Q9UI42	acute pancreatitis Silver-Russell syndrome

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.