National Cancer Institute Thesaurus

Last uploaded: February 21, 2019
Preferred Name

Interleukin-2 Receptor Subunit Alpha

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17073

code

C17073

DEFINITION

Interleukin-2 receptor subunit alpha (272 aa, ~31 kDa) is encoded by the human IL2RA gene. This protein plays a role in interleukin-2-dependent signaling.

DesignNote

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 proteolysis. (LocusLink)

FULL_SYN

T-Cell Growth Factor Receptor

Interleukin-2 Receptor Alpha Chain

IL-2-RA

Low Affinity Interleukin 2 Receptor

Interleukin 2 Receptor

p55

Interleukin 2 Receptor, Alpha

IL-2 Receptor

TAC Antigen

IL-2R Subunit Alpha

IL2RA

IL-2 Receptor Subunit Alpha

IL2R

IL2 Receptor

IL2-RA

IL-2R

CD25

label

Interleukin-2 Receptor Subunit Alpha

Legacy_Concept_Name

Interleukin-2_Receptor_Alpha

OMIM_Number

147730

Preferred_Name

Interleukin-2 Receptor Subunit Alpha

prefixIRI

C17073

prefLabel

Interleukin-2 Receptor Subunit Alpha

Semantic_Type

Amino Acid, Peptide, or Protein

Receptor

Swiss_Prot

P01589

UMLS_CUI

C1101536

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C17667

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http://purl.obolibrary.org/obo/PR_000001380 Cell Ontology LOOM
http://purl.obolibrary.org/obo/PR_000001380 Protein Ontology LOOM