1ZLH | pdb_00001zlh

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)
B	d1zlhb1	Small proteins	Defensin-like	Defensin-like	Tick carboxypeptidase inhibitor-like	Carboxypeptidase inhibitor	(Rhipicephalus bursa ) [TaxId: 67831 ],	SCOPe (2.08)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Defensin-like	8040447	3000681	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Defensin-like	8040448	3000681	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Zn-dependent exopeptidases	8044569	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)
B	Inhibitor_I68_C	e1zlhB2	A: few secondary structure elements	X: Defensin-like	H: Defensin-related	T: Defensin-related	F: Inhibitor_I68_C	ECOD (1.6)
B	Inhibitor_I68_N	e1zlhB1	A: few secondary structure elements	X: Defensin-like	H: Defensin-related	T: Defensin-related	F: Inhibitor_I68_N	ECOD (1.6)
A	Peptidase_M14	e1zlhA1	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)
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)
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
B	PF10468	Carboxypeptidase inhibitor I68 (Inhibitor_I68)	Carboxypeptidase inhibitor I68	This is a family of tick carboxypetidase inhibitors.	Domain
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
B	carboxypeptidase inhibitor	enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity catalytic activity peptidase activity peptidase regulator activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity peptidase inhibitor activity endopeptidase regulator activity metalloendopeptidase inhibitor activity endopeptidase inhibitor activity enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity catalytic activity peptidase activity peptidase regulator activity catalytic activity, acting on a protein metalloendopeptidase activity hydrolase activity peptidase inhibitor activity endopeptidase regulator activity metalloendopeptidase inhibitor activity endopeptidase inhibitor activity metallopeptidase activity endopeptidase activity toxin activity	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	cellular anatomical structure extracellular region
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	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process icosanoid metabolic process leukotriene metabolic process oxoacid metabolic process carboxylic acid metabolic process small molecule metabolic process organic acid metabolic process	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR019509	Carboxypeptidase inhibitor I68	Family
B	IPR023355	Myotoxin/Anemone neurotoxin domain superfamily	Homologous Superfamily
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

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.