Annotations: 2NSM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	CarboxypepD_reg	e2nsmA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Prealbumin-like	F: CarboxypepD_reg	ECOD (1.6)
A	Peptidase_M14	e2nsmA1	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)
A	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
A	2.60.40.1120	Mainly Beta	Sandwich	Immunoglobulin-like	Carboxypeptidase-like, regulatory domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13620	Carboxypeptidase regulatory-like domain (CarboxypepD_reg)	Carboxypeptidase regulatory-like domain	-	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
A	Carboxypeptidase N catalytic chain	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	metabolic process cellular process peptide metabolic process catabolic process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process bradykinin catabolic process amide metabolic process gene expression macromolecule biosynthetic process protein maturation metabolic process cellular process peptide metabolic process catabolic process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process bradykinin catabolic process amide metabolic process gene expression macromolecule biosynthetic process protein maturation biosynthetic process proteolysis protein processing response to corticosteroid response to lipid response to stimulus response to hormone response to steroid hormone response to chemical response to endogenous stimulus response to glucocorticoid response to organic cyclic compound	cellular anatomical structure extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR033814	Carboxypeptidase N, N-terminal domain	Domain
A	IPR008969	Carboxypeptidase-like, regulatory domain superfamily	Homologous Superfamily
A	IPR050753	Peptidase M14 domain-containing protein	Family
A	IPR000834	Peptidase M14, carboxypeptidase A	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P15169	carboxypeptidase N deficiency non-alcoholic fatty liver disease pancreatic ductal adenocarcinoma

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.