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Protein Page:
IL1B (human)

Overview
IL1B Produced by activated macrophages, IL-1 stimulates thymocyte proliferation by inducing IL-2 release, B-cell maturation and proliferation, and fibroblast growth factor activity. IL-1 proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells. Monomer. Belongs to the IL-1 family. Note: This description may include information from UniProtKB.
Protein type: Cytokine
Chromosomal Location of Human Ortholog: 2q14
Cellular Component: extracellular space; extracellular region; cytosol; secretory granule
Molecular Function: protein domain specific binding; interleukin-1 receptor binding; cytokine activity
Biological Process: positive regulation of granulocyte macrophage colony-stimulating factor production; negative regulation of MAP kinase activity; positive regulation of nitric oxide biosynthetic process; activation of MAPK activity; positive regulation of transcription, DNA-dependent; positive regulation of interleukin-2 biosynthetic process; germ cell programmed cell death; negative regulation of insulin receptor signaling pathway; positive regulation of NF-kappaB import into nucleus; positive regulation of lipid catabolic process; fever; positive regulation of membrane protein ectodomain proteolysis; response to carbohydrate stimulus; activation of NF-kappaB transcription factor; cell-cell signaling; positive regulation of T cell mediated immunity; positive regulation of T cell proliferation; neutrophil chemotaxis; positive regulation of heterotypic cell-cell adhesion; positive regulation of I-kappaB kinase/NF-kappaB cascade; positive regulation of mitosis; smooth muscle adaptation; positive regulation of interleukin-6 production; interleukin-1 beta production; positive regulation of angiogenesis; positive regulation of cell division; positive regulation of transcription from RNA polymerase II promoter; positive regulation of transcription factor activity; negative regulation of lipid metabolic process; sequestering of triacylglycerol; positive regulation of histone phosphorylation; apoptosis; positive regulation of interleukin-6 biosynthetic process; positive regulation of JNK cascade; signal transduction; positive regulation of vascular endothelial growth factor receptor signaling pathway; positive regulation of protein export from nucleus; positive regulation of interleukin-8 production; negative regulation of cell proliferation; negative regulation of lipid catabolic process; hyaluronan biosynthetic process; lipopolysaccharide-mediated signaling pathway; protein kinase B signaling cascade; inflammatory response; regulation of I-kappaB kinase/NF-kappaB cascade; cytokine and chemokine mediated signaling pathway; MAPKKK cascade; response to ATP; positive regulation of interferon-gamma production; positive regulation of chemokine biosynthetic process; positive regulation of prostaglandin secretion; positive regulation of fever; immune response; positive regulation of histone acetylation; positive regulation of protein amino acid phosphorylation; regulation of insulin secretion; embryo implantation
Reference #:  P01584 (UniProtKB)
Alt. Names/Synonyms: Catabolin; IL-1; IL-1 beta; IL1-BETA; IL1B; IL1F2; interleukin 1, beta; Interleukin-1 beta; preinterleukin 1 beta; pro-interleukin-1-beta
Gene Symbols: IL1B
Molecular weight: 30,748 Da
Basal Isoelectric point: 4.7  Predict pI for various phosphorylation states
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
Select Structure to View Below

IL1B

Protein Structure Not Found.


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Modification Sites and Domains  

Modification Sites in Parent Protein, Orthologs, and Isoforms  
 

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 S133 LRDSQQKSLVMSGPy
0 1 Y140-p SLVMSGPyELKALHL
0 1 S200-p KPTLQLEsVDPKNYP
0 1 S269-p FTMQFVSs_______
  mouse

 
S134-p LRDEQQKsLVLSDPY
Y141 sLVLSDPYELKALHL
S201 TPTLQLESVDPKQYP
S269 FTMESVSS_______
  rat

 
C133 LRDEQQKCLVLSDPC
C140 CLVLSDPCELKALHL
S200 TPTLQLESVDPKQYP
S268 FTMEPVSS_______
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