1ZLH

Crystal structure of the tick carboxypeptidase inhibitor in complex with bovine carboxypeptidase A

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1zlha_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase A	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d1zlhb1	Small proteins	Defensin-like	Defensin-like	Tick carboxypeptidase inhibitor-like	Carboxypeptidase inhibitor	(Rhipicephalus bursa ) [TaxId: 67831 ],	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	8044569	3000662	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Defensin-like	8040447	3000681	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Defensin-like	8040448	3000681	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	PF00246	e1zlhA1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: PF00246	ECOD (1.6)
B	PF10468	e1zlhB2	A: few secondary structure elements	X: Defensin-like	H: Defensin-related	T: Defensin-related	F: PF10468	ECOD (1.6)

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	3.30.1680.50	Alpha Beta	2-Layer Sandwich	ligand-binding face of the semaphorins, domain 2	Carboxypeptidase inhibitor, N-terminal domain	CATH (4.3.0)
B	2.20.20.10	Mainly Beta	Single Sheet	Anthopleurin-A	Anthopleurin-A	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
B	PF10468	Carboxypeptidase inhibitor I68 (Inhibitor_I68)	Carboxypeptidase inhibitor I68	This is a family of tick carboxypetidase inhibitors.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Carboxypeptidase A1	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	organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process icosanoid metabolic process leukotriene metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process small molecule metabolic process cellular process organic substance metabolic process organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process icosanoid metabolic process leukotriene metabolic process oxoacid metabolic process cellular metabolic process carboxylic acid metabolic process small molecule metabolic process cellular process organic acid metabolic process	extracellular region extracellular space cellular anatomical entity
B	carboxypeptidase inhibitor	enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity peptidase regulator activity peptidase inhibitor activity endopeptidase regulator activity metalloendopeptidase inhibitor activity endopeptidase inhibitor activity	multicellular organismal process regulation of body fluid levels response to stimulus regulation of response to external stimulus negative regulation of biological process regulation of response to wounding regulation of coagulation response to stress regulation of response to stress coagulation regulation of multicellular organismal process regulation of biological quality response to wounding regulation of hemostasis multicellular organismal process regulation of body fluid levels response to stimulus regulation of response to external stimulus negative regulation of biological process regulation of response to wounding regulation of coagulation response to stress regulation of response to stress coagulation regulation of multicellular organismal process regulation of biological quality response to wounding regulation of hemostasis wound healing regulation of biological process negative regulation of response to stimulus negative regulation of wound healing regulation of blood coagulation negative regulation of blood coagulation biological regulation hemostasis response to external stimulus negative regulation of response to wounding blood coagulation negative regulation of hemostasis fibrinolysis negative regulation of coagulation regulation of response to stimulus negative regulation of response to external stimulus regulation of wound healing negative regulation of multicellular organismal process biological process involved in interspecies interaction between organisms acquisition of nutrients from host biological process involved in interaction with host biological process involved in symbiotic interaction	extracellular region cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036990	Metallocarboxypeptidase-like, propeptide	Homologous Superfamily
A	IPR034248	Carboxypeptidase A, carboxypeptidase domain	Domain
A	IPR003146	Carboxypeptidase, activation peptide	Domain
A	IPR000834	Peptidase M14, carboxypeptidase A	Domain
B	IPR019509	Carboxypeptidase inhibitor I68	Family
B	IPR023355	Myotoxin/Anemone neurotoxin domain superfamily	Homologous Superfamily

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.