ELANE
Neutrophil elastase
Also known as: ELA2, ELNE_HUMAN, HLE, HNE, NE, PMN-E
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P08246
- Gene
- ELANE
- Ensembl
- ENSG00000197561
- Chromosome
- 19
- Canonical length
- 267 aa
- Protein class
- Cancer-related genes, Disease related genes, Enzymes, FDA approved drug targets, Human disease related genes, Plasma proteins, Predicted secreted proteins
- Subcellular location
- Golgi apparatus,Vesicles
- Secretome location
- Secreted to blood
OverviewNCBI Gene
Elastases form a subfamily of serine proteases that hydrolyze many proteins in addition to elastin. Humans have six elastase genes which encode structurally similar proteins. The encoded preproprotein is proteolytically processed to generate the active protease. Following activation, this protease hydrolyzes proteins within specialized neutrophil lysosomes, called azurophil granules, as well as proteins of the extracellular matrix. The enzyme may play a role in degenerative and inflammatory diseases through proteolysis of collagen-IV and elastin. This protein also degrades the outer membrane protein A (OmpA) of E. coli as well as the virulence factors of such bacteria as Shigella, Salmonella and Yersinia. Mutations in this gene are associated with cyclic neutropenia and severe congenital neutropenia (SCN). This gene is present in a gene cluster on chromosome 19. [provided by RefSeq, Jan 2016]
Canonical amino-acid sequenceUniProt
267 residues, UniProt reviewed canonical sequence.
>P08246|ELANE
1 MTLGRRLACL FLACVLPALL LGGTALASEI VGGRRARPHA WPFMVSLQLR GGHFCGATLI
61 APNFVMSAAH CVANVNVRAV RVVLGAHNLS RREPTRQVFA VQRIFENGYD PVNLLNDIVI
121 LQLNGSATIN ANVQVAQLPA QGRRLGNGVQ CLAMGWGLLG RNRGIASVLQ ELNVTVVTSL
181 CRRSNVCTLV RGRQAGVCFG DSGSPLVCNG LIHGIASFVR GGCASGLYPD AFAPVAQFVN
241 WIDSIIQRSE DNPCPHPRDP DPASRTHLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ELANE 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
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.3
- Highest tissue expression
- 3,672 nTPM
Expression across tissuesHPA
Tissue
- bone marrow: 3,672 nTPM
- spleen: 42 nTPM
- lung: 19 nTPM
- thymus: 5.9 nTPM
- skin: 5.1 nTPM
- heart muscle: 3.9 nTPM
Single-cell type
- monocyte progenitors: 553 nCPM
- neutrophil progenitors: 525 nCPM
- oocytes: 18 nCPM
- fibroblasts: 9 nCPM
- fibro-adipogenic progenitors: 8.6 nCPM
- erythrocytes: 5.9 nCPM
Immune cell
- total PBMC: 27 nTPM
- neutrophil: 12 nTPM
- classical monocyte: 4 nTPM
- gdT-cell: 0.9 nTPM
- intermediate monocyte: 0.3 nTPM
- basophil: 0 nTPM
Brain region
- amygdala: 0.5 nTPM
- cerebral cortex: 0.5 nTPM
- hypothalamus: 0.4 nTPM
- white matter: 0.3 nTPM
- basal ganglia: 0.2 nTPM
- choroid plexus: 0.2 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about ELANE.
Disease | AllUniProt
Conditions ELANE is implicated in, by any mechanism.
- Cyclic haematopoiesis (CH) MIM:162800
- Neutropenia, severe congenital 1, autosomal dominant (SCN1) MIM:202700
Disease | GeneticClinVar
109 pathogenic / likely-pathogenic of 904 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Neutropenia, severe congenital, 1, autosomal dominant
- Cyclical neutropenia
- ELANE-related disorder
- Autoinflammatory syndrome
- Decreased total neutrophil count
Disease | ImmuneIEDB
Conditions an epitope on ELANE was assayed in.
- rheumatoid arthritis B cell
- osteoarthritis B cell
ReferencesPubMed · IEDB
Publications for ELANE from three distinct lines of evidence, kept separate because they answer different questions: whether antibodies are directed at the protein, whether a B-cell epitope has been mapped on it, and whether a T-cell epitope has. Each is labelled with its source.
Reference: AutoantibodyPubMed
3 publications
- Vasculitis mimics.
2008 · Curr Opin Rheumatol · RCR 1.6 · 47 citations - Neutrophil Extracellular DNA Traps Induce Autoantigen Production by Airway Epithelial Cells.
2017 · Mediators Inflamm · RCR 1.1 · 29 citations - Acquired cyclic neutropenia associated with cocaine-induced anti-neutrophil cytoplasmic antibodies binding to human neutrophil elastase.
2018 · Am J Hematol · RCR 0 · 1 citations
Reference: B cellIEDB
1 publication
- Synovial fibroblast-neutrophil interactions promote pathogenic adaptive immunity in rheumatoid arthritis.
2017 · Sci Immunol · RCR 9.4 · 262 citations
Sources: PubMed — antigen-level antibody evidence from a custom retrieval. Records matching a controlled set of autoantibody terms (the MeSH descriptors Autoantibodies and Autoantigens, with title and abstract term variants) were obtained through NCBI E-utilities, and their titles and abstracts parsed for constructions that direct an antibody at a named protein rather than for co-occurrence. Captured names were resolved against UniProt nomenclature and each antigen adjudicated individually against the source text. IEDB — curated epitope assays from the Immune Epitope Database (Vita et al., Nucleic Acids Research 2019). Bibliographic records from PubMed and MeSH, U.S. National Library of Medicine; citation metrics from NIH iCite (Hutchins et al., PLoS Biology 2016). Titles link to PubMed; abstracts are not reproduced here. The NLM does not endorse this analysis.
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)
- 1.13
- gnomAD pLI
- 0
- gnomAD missense Z
- 0.72
- DepMap mean gene effect
- 0.02
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 0% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- acute inflammatory response to antigenic stimulus
- defense response to bacterium
- extracellular matrix disassembly
- intracellular calcium ion homeostasis
- leukocyte migration involved in inflammatory response
- negative regulation of chemokine production
- negative regulation of chemotaxis
- negative regulation of inflammatory response
- negative regulation of interleukin-8 production
- negative regulation of transcription by RNA polymerase II
- neutrophil-mediated killing of fungus
- neutrophil-mediated killing of gram-negative bacterium
- phagocytosis
- positive regulation of immune response
- positive regulation of interleukin-8 production
- positive regulation of leukocyte tethering or rolling
- positive regulation of MAP kinase activity
- positive regulation of smooth muscle cell proliferation
- protein catabolic process
- proteolysis
- pyroptotic inflammatory response
- response to lipopolysaccharide
- response to UV
- response to yeast
- biosynthetic process of antibacterial peptides active against Gram-negative bacteria
Molecular functions
- cytokine binding
- endopeptidase activity
- heparin binding
- peptidase activity
- protease binding
- serine-type endopeptidase activity
- transcription corepressor activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of ELANE in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
- NOTCH2NL
- NOTCH2NLA
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads ELANE as an antibody target. Whether an autoantibody or antibody against ELANE could matter depends on whether native ELANE is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ELANE is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label ELANE as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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