NUMB
Protein numb homolog
Also known as: C14orf41, NUMB_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P49757
- Gene
- NUMB
- Ensembl
- ENSG00000133961
- Chromosome
- 14
- Canonical length
- 651 aa
- Protein class
- Cancer-related genes, Predicted intracellular proteins
- Subcellular location
- Plasma membrane,Cell Junctions,Cytosol
OverviewNCBI Gene
The protein encoded by this gene plays a role in the determination of cell fates during development. The encoded protein, whose degradation is induced in a proteasome-dependent manner by MDM2, is a membrane-bound protein that has been shown to associate with EPS15, LNX1, and NOTCH1. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2016]
Canonical amino-acid sequenceUniProt
651 residues, UniProt reviewed canonical sequence.
>P49757|NUMB
1 MNKLRQSFRR KKDVYVPEAS RPHQWQTDEE GVRTGKCSFP VKYLGHVEVD ESRGMHICED
61 AVKRLKAERK FFKGFFGKTG KKAVKAVLWV SADGLRVVDE KTKDLIVDQT IEKVSFCAPD
121 RNFDRAFSYI CRDGTTRRWI CHCFMAVKDT GERLSHAVGC AFAACLERKQ KREKECGVTA
181 TFDASRTTFT REGSFRVTTA TEQAEREEIM KQMQDAKKAE TDKIVVGSSV APGNTAPSPS
241 SPTSPTSDAT TSLEMNNPHA IPRRHAPIEQ LARQGSFRGF PALSQKMSPF KRQLSLRINE
301 LPSTMQRKTD FPIKNAVPEV EGEAESISSL CSQITNAFST PEDPFSSAPM TKPVTVVAPQ
361 SPTFQANGTD SAFHVLAKPA HTALAPVAMP VRETNPWAHA PDAANKEIAA TCSGTEWGQS
421 SGAASPGLFQ AGHRRTPSEA DRWLEEVSKS VRAQQPQASA APLQPVLQPP PPTAISQPAS
481 PFQGNAFLTS QPVPVGVVPA LQPAFVPAQS YPVANGMPYP APNVPVVGIT PSQMVANVFG
541 TAGHPQAAHP HQSPSLVRQQ TFPHYEASSA TTSPFFKPPA QHLNGSAAFN GVDDGRLASA
601 DRHTEVPTGT CPVDPFEAQW AALENKSKQR TNPSPTNPFS SDLQKTFEIE LLocalizationUniProt · AlphaFold · HPA
Whether an antibody against NUMB 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
- 0
- Mean surface accessibility (rSASA)
- 0.59
- Highest tissue expression
- 50 nTPM
Expression across tissuesHPA
Tissue
- lung: 50 nTPM
- liver: 48 nTPM
- small intestine: 44 nTPM
- duodenum: 44 nTPM
- colon: 43 nTPM
- placenta: 41 nTPM
Single-cell type
- neutrophils: 2,516 nCPM
- monocytes: 522 nCPM
- renal collecting duct intercalated cells: 436 nCPM
- proximal tubule cells: 382 nCPM
- sertoli cells: 334 nCPM
- neutrophil progenitors: 279 nCPM
Immune cell
- neutrophil: 292 nTPM
- non-classical monocyte: 104 nTPM
- eosinophil: 97 nTPM
- classical monocyte: 93 nTPM
- basophil: 92 nTPM
- intermediate monocyte: 76 nTPM
Brain region
- cerebral cortex: 43 nTPM
- choroid plexus: 40 nTPM
- hippocampal formation: 37 nTPM
- medulla oblongata: 37 nTPM
- cerebellum: 36 nTPM
- thalamus: 36 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about NUMB.
Disease | ImmuneIEDB
Conditions an epitope on NUMB was assayed in.
- colorectal cancer 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)
- 0.59
- gnomAD pLI
- 0
- gnomAD missense Z
- 1.37
- DepMap mean gene effect
- -0.07
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- adherens junction organization
- axonogenesis
- lateral ventricle development
- negative regulation of protein localization to plasma membrane
- neuroblast division in subventricular zone
- positive regulation of cell migration
- positive regulation of neurogenesis
- regulation of endocytosis
- regulation of postsynaptic neurotransmitter receptor internalization
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of NUMB in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads NUMB as an antibody target. Whether an autoantibody or antibody against NUMB could matter depends on whether native NUMB is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
NUMB is annotated at the cell surface, where native NUMB 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 NUMB as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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