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Protein Page:
IL7R (human)
p Phosphorylation
ac Acetylation
me Methylation
m1 Mono-methylation
m2 Di-methylation
m3 Tri-methylation
ub Ubiquitination
sm Sumoylation
ne Neddylation
gl O-GlcNAc
ga O-GalNAc
pa Palmitoylation
ad Adenylylation
sn S-Nitrosylation
ca Caspase cleavage
sc Succinylation

Overview
IL7R Receptor for interleukin-7. Also acts as a receptor for thymic stromal lymphopoietin (TSLP). Defects in IL7R are a cause of severe combined immunodeficiency autosomal recessive T-cell-negative/B-cell- positive/NK-cell-positive (T(-)B(+)NK(+) SCID). A form of severe combined immunodeficiency (SCID), a genetically and clinically heterogeneous group of rare congenital disorders characterized by impairment of both humoral and cell-mediated immunity, leukopenia, and low or absent antibody levels. Patients present in infancy recurrent, persistent infections by opportunistic organisms. The common characteristic of all types of SCID is absence of T-cell-mediated cellular immunity due to a defect in T-cell development. Genetic variations in IL7R are a cause of susceptibility to multiple sclerosis type 3 (MS3). A multifactorial, inflammatory, demyelinating disease of the central nervous system. Sclerotic lesions are characterized by perivascular infiltration of monocytes and lymphocytes and appear as indurated areas in pathologic specimens (sclerosis in plaques). The pathological mechanism is regarded as an autoimmune attack of the myelin sheat, mediated by both cellular and humoral immunity. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia and bladder dysfunction. Genetic and environmental factors influence susceptibility to the disease. A polymorphism at position 244 strongly influences susceptibility to multiple sclerosis. Overtransmission of the major 'C' allele coding for Thr-244 is detected in offspring affected with multiple sclerosis. In vitro analysis of transcripts from minigenes containing either 'C' allele (Thr-244) or 'T' allele (Ile-244) shows that the 'C' allele results in an approximately two-fold increase in the skipping of exon 6, leading to increased production of a soluble form of IL7R. Thus, the multiple sclerosis associated 'C' risk allele of IL7R would probably decrease membrane-bound expression of IL7R. As this risk allele is common in the general population, some additional triggers are probably required for the development and progression of MS. Belongs to the type I cytokine receptor family. Type 4 subfamily. 4 isoforms of the human protein are produced by alternative splicing. Note: This description may include information from UniProtKB.
Protein type: Membrane protein, integral; Receptor, cytokine
Cellular Component: extracellular region; integral to membrane; plasma membrane; external side of plasma membrane
Molecular Function: protein binding; interleukin-7 receptor activity; antigen binding
Biological Process: B cell proliferation; homeostasis of number of cells; cell morphogenesis; signal transduction; lymph node development; positive regulation of T cell differentiation in the thymus; cell surface receptor linked signal transduction; regulation of DNA recombination; negative regulation of T cell mediated cytotoxicity; immune response; immunoglobulin production; cell growth; regulation of cell size; T cell differentiation
Reference #:  P16871 (UniProtKB)
Alt. Names/Synonyms: CD127; CD127 antigen; CDw127; IL-7 receptor subunit alpha; IL-7R subunit alpha; IL-7R-alpha; IL-7RA; IL7R; IL7RA; ILRA; interleukin 7 receptor; interleukin 7 receptor alpha chain; interleukin 7 receptor isoform H5-6; Interleukin-7 receptor subunit alpha
Gene Symbols: IL7R
Molecular weight: 51,581 Da
Basal Isoelectric point: 5.27  Predict pI for various phosphorylation states
Select Structure to View Below

IL7R

Protein Structure Not Found.


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Sites Implicated In
molecular association, regulation: Y449‑p

Modification Sites and Domains Show Modification Legend
Click here to view phosphorylation modifications only

Modification Sites in Parent Protein, Orthologs, and Isoforms Show Modification Legend
 

Show Multiple Sequence Alignment


 SS 

SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.


 MS 

MS: The number of records in which this modification site was assigned using ONLY proteomic discovery-mode mass spectrometry.


       human

 
0 1 K292-ub HLCKKPRkNLNVsFN
0 1 S297-p PRkNLNVsFNPESFL
0 1 K337-ub QQLEESEkQRLGGDV
0 3 S346-p RLGGDVQsPNCPSED
0 1 I356 CPSEDVVITPESFGR
0 1 S365-p PESFGRDsSLTCLAG
0 2 S375-p TCLAGNVsACDAPIL
4 0 Y449-p GSNQEEAyVTMSSFY
  mouse

 
T292 QLCKKPKTSLNVSFN
S297 PKTSLNVSFNPESFL
T337 AQPEELETQGHRAAV
S346-p GHRAAVHsANRSPET
S356-p RSPETSVsPPETVRR
S365 PETVRRESPLRCLAR
S375-p RCLARNLsTCNAPPL
Y449-p VLNQEEAyVTMSSFY
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