Annotations: 2PE3

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Peptidase_M42	e2pe3A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
A	Peptidase_M18_1st	e2pe3A2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st	ECOD (1.6)
B	Peptidase_M42	e2pe3B1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
B	Peptidase_M18_1st	e2pe3B2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st	ECOD (1.6)
C	Peptidase_M42	e2pe3C1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
C	Peptidase_M18_1st	e2pe3C2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st	ECOD (1.6)
D	Peptidase_M42	e2pe3D1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
D	Peptidase_M18_1st	e2pe3D2	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st	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	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
B	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
C	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
C	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
D	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
D	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF05343	M42 glutamyl aminopeptidase (Peptidase_M42)	M42 glutamyl aminopeptidase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	354aa long hypothetical operon protein Frv	cation binding ion binding binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein aminopeptidase activity hydrolase activity exopeptidase activity catalytic activity	proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR023367	Peptidase M42, domain 2	Homologous Superfamily
A, B, C, D	IPR051464	Peptidase M42 aminopeptidase	Family
A, B, C, D	IPR008007	Peptidase M42	Family

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 R01GM133198.