IL2RA interleukin 2 receptor, alpha [Homo sapiens (human)]
| Gene Symbol | IL2RA |
| Entrez Gene ID | 3559 |
| Full Name | interleukin 2 receptor, alpha |
| Synonyms | CD25, IDDM10, IL2R, TCGFR |
| Gene Type | protein-coding |
| Organism | Homo sapiens (human) |
| Genome |
10 10p15-p14 |
| Summary | The interleukin 2 (IL2) receptor alpha (IL2RA) and beta (IL2RB) chains, together with the common gamma chain (IL2RG), constitute the high-affinity IL2 receptor. Homodimeric alpha chains (IL2RA) result in low-affinity receptor, while homodimeric beta (IL2RB) chains produce a medium-affinity receptor. Normally an integral-membrane protein, soluble IL2RA has been isolated and determined to result from extracellular proteolyisis. Alternately-spliced IL2RA mRNAs have been isolated, but the significance of each is presently unknown. Mutations in this gene are associated with interleukin 2 receptor alpha deficiency.[provided by RefSeq]. |
| Disorder | MIM: 147730 Interleukin-2 receptor, alpha chain, deficiency of, 606367 (3); |
| mRNA | NM_000417, 269973860 |
| Protein | NP_000408, 4557667 |
| Product | interleukin-2 receptor subunit alpha precursor |
| RefSeq Status | REVIEWED |
| hsa04640 | Hematopoietic cell lineage |
| hsa04060 | Cytokine-cytokine receptor interaction |
| hsa04144 | Endocytosis |
| hsa04630 | Jak-STAT signaling pathway |
WikiPathways
| WP453 | Inflammatory Response Pathway |
| WP49 | IL-2 Signaling Pathway |
Pathway Interaction Database
| il12_2pathway | IL12-mediated signaling events |
| tcrcalciumpathway | Calcium signaling in the CD4+ TCR pathway |
| il2_1pathway | IL2-mediated signaling events |
| cd8tcrdownstreampathway | Downstream signaling in naive CD8+ T cells |
| arf6_traffickingpathway | Arf6 trafficking events |
| il2_stat5pathway | IL2 signaling events mediated by STAT5 |
| il12_stat4pathway | IL12 signaling mediated by STAT4 |
| nfat_tfpathway | Calcineurin-regulated NFAT-dependent transcription in lymphocytes |
| il2_pi3kpathway | IL2 signaling events mediated by PI3K |
Reactome
| REACT_23837 | Interleukin-3, 5 and GM-CSF signaling |
| REACT_6900 | Signaling in Immune system |
| REACT_22232 | Signaling by Interleukins |
| REACT_23891 | Interleukin receptor SHC signaling |
| Homo sapiens (human) | IL2RA | NP_000408.1 |
| Pan troglodytes (chimpanzee) | IL2RA | NP_001030597.1 |
| Canis lupus familiaris (dog) | IL2RA | NP_001003211.1 |
| Bos taurus (cattle) | IL2RA | NP_776783.1 |
| Mus musculus (house mouse) | Il2ra | NP_032393.2 |
| Rattus norvegicus (Norway rat) | Il2ra | NP_037295.1 |
| ID | Name | Evidence |
| GO:0002437 | inflammatory response to antigenic stimulus | IEA |
| GO:0006915 | apoptosis | TAS |
| GO:0006924 | activation-induced cell death of T cells | IEA |
| GO:0006955 | immune response | TAS |
| GO:0007166 | cell surface receptor linked signaling pathway | TAS |
| GO:0008283 | cell proliferation | TAS |
| GO:0042104 | positive regulation of activated T cell proliferation | IEA |
| GO:0042130 | negative regulation of T cell proliferation | IEA |
| GO:0043065 | positive regulation of apoptosis | IEA |
| GO:0045582 | positive regulation of T cell differentiation | IEA |
| GO:0046013 | regulation of T cell homeostatic proliferation | IEA |
| GO:0050687 | negative regulation of defense response to virus | IEA |
| GO:0050728 | negative regulation of inflammatory response | IEA |
| GO:0050777 | negative regulation of immune response | IEA |
Component
| ID | Name | Evidence |
| GO:0005886 | plasma membrane | EXP |
| GO:0005886 | plasma membrane | TAS |
| GO:0009897 | external side of plasma membrane | IEA |
| GO:0016021 | integral to membrane | IEA |
Function
| ID | Name | Evidence |
| GO:0004872 | receptor activity | IEA |
| GO:0004911 | interleukin-2 receptor activity | IEA |
| GO:0008144 | drug binding | IEA |
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