3FX6 | pdb_00003fx6

X-RAY crystallographic studies on the complex of carboxypeptidase A with the inhibitor using alpha-nitro ketone as the zinc-binding group

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)
C [auth E]	d3fx6e_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase A	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B [auth C]	d3fx6c_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase A	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
A	d3fx6a_	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Pancreatic carboxypeptidases	Carboxypeptidase A	(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)
C [auth E]	SCOP2B Superfamily	Zn-dependent exopeptidases	8044569	3000662	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Zn-dependent exopeptidases	8044569	3000662	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)
C [auth E]		e3fx6E1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: HTH_3	F:	ECOD (20:10:01)
B [auth C]		e3fx6C1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: HTH_3	F:	ECOD (20:10:01)
A		e3fx6A1	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: HTH_3	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth E]	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
B [auth C]	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 [auth C], C [auth E]	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 [auth C], C [auth E]	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
A, B [auth C], C [auth E]	IPR057247	Zinc carboxypeptidases, zinc-binding region 2	Binding Site
A, B [auth C], C [auth E]	IPR036990	Metallocarboxypeptidase-like, propeptide	Homologous Superfamily
A, B [auth C], C [auth E]	IPR034248	Carboxypeptidase A, carboxypeptidase domain	Domain
A, B [auth C], C [auth E]	IPR057246	Zinc carboxypeptidases, zinc-binding region 1	Binding Site
A, B [auth C], C [auth E]	IPR003146	Carboxypeptidase, activation peptide	Domain
A, B [auth C], C [auth E]	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.