NP_000577.2
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
15.4 kDa
NCBI Official Full Name
interleukin-2
NCBI Official Synonym Full Names
interleukin 2
NCBI Protein Information
interleukin-2
UniProt Protein Name
Interleukin-2
UniProt Synonym Protein Names
T-cell growth factor; TCGF; INN: Aldesleukin
UniProt Synonym Gene Names
NCBI Summary for IL2
The protein encoded by this gene is a secreted cytokine that is important for the proliferation of T and B lymphocytes. The receptor of this cytokine is a heterotrimeric protein complex whose gamma chain is also shared by interleukin 4 (IL4) and interleukin 7 (IL7). The expression of this gene in mature thymocytes is monoallelic, which represents an unusual regulatory mode for controlling the precise expression of a single gene. The targeted disruption of a similar gene in mice leads to ulcerative colitis-like disease, which suggests an essential role of this gene in the immune response to antigenic stimuli. [provided by RefSeq, Jul 2008]
UniProt Comments for IL2
IL2: Produced by T-cells in response to antigenic or mitogenic stimulation, this protein is required for T-cell proliferation and other activities crucial to regulation of the immune response. Can stimulate B-cells, monocytes, lymphokine- activated killer cells, natural killer cells, and glioma cells. A chromosomal aberration involving IL2 is found in a form of T-cell acute lymphoblastic leukemia (T-ALL). Translocation t(4;16)(q26;p13) with involves TNFRSF17. Belongs to the IL-2 family.
Protein type: Cytokine; Oncoprotein; Secreted; Secreted, signal peptide
Chromosomal Location of Human Ortholog: 4q27
Cellular Component: extracellular region; extracellular space
Molecular Function: cytokine activity; growth factor activity; interleukin-2 receptor binding; kinase activator activity; Ras guanyl-nucleotide exchange factor activity
Biological Process: cell adhesion; cell-cell signaling; immune response; leukocyte activation during immune response; MAPKKK cascade; natural killer cell activation; negative regulation of apoptosis; negative regulation of B cell apoptosis; positive regulation of activated T cell proliferation; positive regulation of B cell proliferation; positive regulation of cell growth; positive regulation of cell proliferation; positive regulation of inflammatory response; positive regulation of interleukin-17 production; positive regulation of tissue remodeling; positive regulation of tyrosine phosphorylation of STAT protein; T cell differentiation
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Products associated with IL2 active protein
Pathways associated with IL2 active protein
Diseases associated with IL2 active protein
Organs/Tissues associated with IL2 active protein
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