4BD9 | pdb_00004bd9

Structure of the complex between SmCI and human carboxypeptidase A4

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)
B	d4bd9b1	Small proteins	BPTI-like	BPTI-like	automated matches	automated matches	(Sabellastarte magnifica ) [TaxId: 389514 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
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)
A		e4bd9A1	A: PBZ domain	X: PBZ domain	H: PBZ domain	T: Kunitz_BPTI	F:	ECOD (20:10:01)
B		e4bd9B1	A: PBZ domain	X: PBZ domain	H: PBZ domain	T: Kunitz_BPTI	F:	ECOD (20:10:01)
B		e4bd9B4	A: cradle loop barrel	X: RIFT-related	H: double psi	T: Kunitz_BPTI	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
B	4.10.410.10	Few Secondary Structures	Irregular	Factor Xa Inhibitor	Pancreatic trypsin inhibitor Kunitz domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	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
B	CARBOXYPEPTIDASE INHIBITOR SMCI	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity serine-type endopeptidase inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	-	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR057247	Zinc carboxypeptidases, zinc-binding region 2	Binding Site
A	IPR036990	Metallocarboxypeptidase-like, propeptide	Homologous Superfamily
A	IPR034248	Carboxypeptidase A, carboxypeptidase domain	Domain
A	IPR057246	Zinc carboxypeptidases, zinc-binding region 1	Binding Site
A	IPR003146	Carboxypeptidase, activation peptide	Domain
A	IPR000834	Peptidase M14, carboxypeptidase A	Domain
B	IPR002223	Pancreatic trypsin inhibitor Kunitz domain	Domain
B	IPR008296	Tissue factor pathway inhibitor-like	Family
B	IPR050098	Tissue factor pathway inhibitor/Kunitz-type serine protease inhibitor-like	Family
B	IPR020901	Proteinase inhibitor I2, Kunitz, conserved site	Conserved Site
B	IPR036880	Pancreatic trypsin inhibitor Kunitz domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.