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Protein Page:
SOCS2 (human)

SOCS2 SOCS family proteins form part of a classical negative feedback system that regulates cytokine signal transduction. SOCS2 appears to be a negative regulator in the growth hormone/IGF1 signaling pathway. Probable substrate recognition component of a SCF-like ECS (Elongin BC-CUL2/5-SOCS-box protein) E3 ubiquitin- protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. Interacts with IGF1 receptor, prolactin receptor and growth hormone (GH) receptor. Associates with the Elongin BC complex. By a subset of cytokines, including EPO/erythropoietin and CSF2/GM-CSF. High expression in heart, placenta, lung, kidney and prostate. Note: This description may include information from UniProtKB.
Chromosomal Location of Human Ortholog: 12q
Cellular Component: cytoplasm; cytosol
Molecular Function: insulin-like growth factor receptor binding; protein binding; growth hormone receptor binding; SH3/SH2 adaptor activity; protein kinase inhibitor activity; JAK pathway signal transduction adaptor activity
Biological Process: positive regulation of signal transduction; cytokine and chemokine mediated signaling pathway; negative regulation of protein kinase activity; regulation of signal transduction; protein ubiquitination; negative regulation of insulin receptor signaling pathway; regulation of cell growth; JAK-STAT cascade; negative regulation of JAK-STAT cascade; response to estradiol stimulus; aging; negative regulation of apoptosis; cellular response to hormone stimulus
Reference #:  O14508 (UniProtKB)
Alt. Names/Synonyms: CIS-2; CIS2; Cish2; Cytokine-inducible SH2 protein 2; SOCS-2; SOCS2; SSI-2; SSI2; STAT induced STAT inhibitor-2; STAT-induced STAT inhibitor 2; STATI2; Suppressor of cytokine signaling 2; suppressor of cytokine signaling-2
Gene Symbols: SOCS2
Molecular weight: 22,172 Da
Basal Isoelectric point: 8.9  Predict pI for various phosphorylation states
CST Pathways:  IL6 Signaling
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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Protein Structure Not Found.

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Modification Sites and Domains  

Modification Sites in Parent Protein, Orthologs, and Isoforms  

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LTP: 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.


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



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