Annotations: 3PEI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Ribosomal_S8	e3peiA1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Ribosomal_S8	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.220.10	Alpha Beta	3-Layer(aba) Sandwich	Leucine Aminopeptidase, subunit E	domain 1	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	PF02789	Cytosol aminopeptidase family, N-terminal domain (Peptidase_M17_N)	Cytosol aminopeptidase family, N-terminal domain		Domain
A	PF00883	Cytosol aminopeptidase family, catalytic domain (Peptidase_M17)	Cytosol aminopeptidase family, catalytic domain	The two associated zinc ions and the active site are entirely enclosed within the C-terminal catalytic domain in leucine aminopeptidase.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Cytosol aminopeptidase	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity aminopeptidase activity metalloaminopeptidase activity exopeptidase activity cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding peptidase activity catalytic activity, acting on a protein hydrolase activity metallopeptidase activity aminopeptidase activity metalloaminopeptidase activity exopeptidase activity catalytic activity metalloexopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008283	Peptidase M17, leucyl aminopeptidase, N-terminal	Domain
A	IPR043472	Macro domain-like	Homologous Superfamily
A	IPR000819	Peptidase M17, leucyl aminopeptidase, C-terminal	Domain
A	IPR011356	Peptidase M17, leucine aminopeptidase/peptidase B	Family
A	IPR023042	Peptidase M17, leucine aminopeptidase	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.