ENPEP
Glutamyl aminopeptidase
Also known as: AMPE_HUMAN, CD249, gp160
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q07075
- Gene
- ENPEP
- Ensembl
- ENSG00000138792
- Chromosome
- 4
- Canonical length
- 957 aa
- Protein class
- CD markers, Enzymes, Plasma proteins, Predicted membrane proteins
- Quaternary structure
- Homodimer
OverviewNCBI Gene
The ENPEP gene encodes glutamyl aminopeptidase, a type II integral membrane protein with an extracellular zinc-binding domain. This protein can upregulate blood pressure by cleaving the N-terminal aspartate from angiotensin II, and can regulate blood vessel formation and enhance tumorigenesis in some tissues. Along with ANPEP and DPP4, ENPEP was found to be a candidate co-receptor for the coronavirus SARS-CoV-2, which causes COVID-19. [provided by RefSeq, Apr 2020]
Canonical amino-acid sequenceUniProt
957 residues, UniProt reviewed canonical sequence.
>Q07075|ENPEP
1 MNFAEREGSK RYCIQTKHVA ILCAVVVGVG LIVGLAVGLT RSCDSSGDGG PGTAPAPSHL
61 PSSTASPSGP PAQDQDICPA SEDESGQWKN FRLPDFVNPV HYDLHVKPLL EEDTYTGTVS
121 ISINLSAPTR YLWLHLRETR ITRLPELKRP SGDQVQVRRC FEYKKQEYVV VEAEEELTPS
181 SGDGLYLLTM EFAGWLNGSL VGFYRTTYTE NGQVKSIVAT DHEPTDARKS FPCFDEPNKK
241 ATYTISITHP KEYGALSNMP VAKEESVDDK WTRTTFEKSV PMSTYLVCFA VHQFDSVKRI
301 SNSGKPLTIY VQPEQKHTAE YAANITKSVF DYFEEYFAMN YSLPKLDKIA IPDFGTGAME
361 NWGLITYRET NLLYDPKESA SSNQQRVATV VAHELVHQWF GNIVTMDWWE DLWLNEGFAS
421 FFEFLGVNHA ETDWQMRDQM LLEDVLPVQE DDSLMSSHPI IVTVTTPDEI TSVFDGISYS
481 KGSSILRMLE DWIKPENFQK GCQMYLEKYQ FKNAKTSDFW AALEEASRLP VKEVMDTWTR
541 QMGYPVLNVN GVKNITQKRF LLDPRANPSQ PPSDLGYTWN IPVKWTEDNI TSSVLFNRSE
601 KEGITLNSSN PSGNAFLKIN PDHIGFYRVN YEVATWDSIA TALSLNHKTF SSADRASLID
661 DAFALARAQL LDYKVALNLT KYLKREENFL PWQRVISAVT YIISMFEDDK ELYPMIEEYF
721 QGQVKPIADS LGWNDAGDHV TKLLRSSVLG FACKMGDREA LNNASSLFEQ WLNGTVSLPV
781 NLRLLVYRYG MQNSGNEISW NYTLEQYQKT SLAQEKEKLL YGLASVKNVT LLSRYLDLLK
841 DTNLIKTQDV FTVIRYISYN SYGKNMAWNW IQLNWDYLVN RYTLNNRNLG RIVTIAEPFN
901 TELQLWQMES FFAKYPQAGA GEKPREQVLE TVKNNIEWLK QHRNTIREWF FNLLESGLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ENPEP can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Cell surface
- Secreted
- No
- Transmembrane segments
- 1
- Mean surface accessibility (rSASA)
- 0.23
- Highest tissue expression
- 154 nTPM
Expression across tissuesHPA
Tissue
- small intestine: 154 nTPM
- kidney: 84 nTPM
- parathyroid gland: 43 nTPM
- duodenum: 35 nTPM
- liver: 27 nTPM
- placenta: 15 nTPM
Single-cell type
- podocytes: 1,667 nCPM
- enterocytes: 922 nCPM
- proximal tubule cells: 455 nCPM
- pericytes: 253 nCPM
- ependymal cells: 236 nCPM
- vascular smooth muscle cells: 146 nCPM
Immune cell
- basophil: 0 nTPM
- classical monocyte: 0 nTPM
- eosinophil: 0 nTPM
- gdT-cell: 0 nTPM
- intermediate monocyte: 0 nTPM
- MAIT T-cell: 0 nTPM
Brain region
- cerebral cortex: 4.8 nTPM
- choroid plexus: 3.5 nTPM
- medulla oblongata: 1.7 nTPM
- midbrain: 1.4 nTPM
- white matter: 1.4 nTPM
- hippocampal formation: 0.9 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about ENPEP.
Disease | ImmuneIEDB
Conditions an epitope on ENPEP was assayed in.
- Lyme disease T cell
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.14
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.12
- DepMap mean gene effect
- -0.08
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 3% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- angiogenesis
- angiotensin maturation
- cell migration
- cell population proliferation
- cell-cell signaling
- glomerulus development
- peptide catabolic process
- regulation of systemic arterial blood pressure by renin-angiotensin
Molecular functions
- aminopeptidase activity
- metalloaminopeptidase activity
- zinc ion binding
- glutamyl aminopeptidase activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase
- Peptidase M1, membrane alanine aminopeptidase
- ERAP1-like C-terminal domain
- Peptidase M4/M1, CTD superfamily
- Aminopeptidase N-type
- Aminopeptidase N-like , N-terminal domain superfamliy
- Aminopeptidase N-like , N-terminal domain
- Peptidase M1 family aminopeptidases
- Peptidase family M1 domain
- ERAP1-like C-terminal domain
- Peptidase M1 N-terminal domain
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads ENPEP as an antibody target. Whether an autoantibody or antibody against ENPEP could matter depends on whether native ENPEP is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ENPEP is annotated at the cell surface, where native ENPEP is exposed to circulating antibodies and is a prime autoantibody target that could block, deplete, or overstimulate it.
Annotation status
The present source text does not explicitly label ENPEP as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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