NP_003736.1
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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
23,551 Da
NCBI Official Full Name
suppressor of cytokine signaling 1
NCBI Official Synonym Full Names
suppressor of cytokine signaling 1
NCBI Official Synonym Symbols
JAB; CIS1; SSI1; TIP3; CISH1; SSI-1; SOCS-1 [Similar Products]
NCBI Protein Information
suppressor of cytokine signaling 1; JAK binding protein; JAK-binding protein; STAT induced SH3 protein 1; STAT-induced STAT inhibitor 1; TIP-3; Tec-interacting protein 3; cytokine-inducible SH2 protein 1
UniProt Protein Name
Suppressor of cytokine signaling 1
UniProt Synonym Protein Names
JAK-binding protein; JAB; STAT-induced STAT inhibitor 1; SSI-1; Tec-interacting protein 3; TIP-3
UniProt Synonym Gene Names
UniProt Entry Name
SOCS1_HUMAN
NCBI Summary for SOCS-1
This gene encodes a member of the STAT-induced STAT inhibitor (SSI), also known as suppressor of cytokine signaling (SOCS), family. SSI family members are cytokine-inducible negative regulators of cytokine signaling. The expression of this gene can be induced by a subset of cytokines, including IL2, IL3 erythropoietin (EPO), CSF2/GM-CSF, and interferon (IFN)-gamma. The protein encoded by this gene functions downstream of cytokine receptors, and takes part in a negative feedback loop to attenuate cytokine signaling. Knockout studies in mice suggested the role of this gene as a modulator of IFN-gamma action, which is required for normal postnatal growth and survival. [provided by RefSeq, Jul 2008]
UniProt Comments for SOCS-1
SOCS1: SOCS family proteins form part of a classical negative feedback system that regulates cytokine signal transduction. SOCS1 is involved in negative regulation of cytokines that signal through the JAK/STAT3 pathway. Through binding to JAKs, inhibits their kinase activity. In vitro, also suppresses Tec protein- tyrosine activity. Appears to be a major regulator of signaling by interleukin 6 (IL6) and leukemia inhibitory factor (LIF). Regulates interferon-gamma mediated sensory neuron survival. Probable substrate recognition component of an ECS (Elongin BC-CUL2/5-SOCS-box protein) E3 ubiquitin ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. Seems to recognize JAK2. SOCS1 appears to be a negative regulator in IGF1R signaling pathway. Interacts with multiple activated signaling proteins of the tyrosine kinase signaling pathway including JAK family kinases, TEC, KIT, GRB2 and VAV. Binding to JAKs is mediated through the KIR and SH2 domains to a phosphorylated tyrosine residue within the JAK JH1 domain. Binds the SH3 domain of GRB2 via diproline determinants in the N-terminus, and the N-terminal regulatory domain of VAV. Interacts with the Elongin BC complex (TCEB1 and TCEB2). Component of an ECS CBC(SOCS1) E3 ubiquitin-protein ligase complex which contains Elongin BC, CUL5, RBX1 and SOCS1. Interacts (via SH2 domain and SOCS box) with TRIM8. Interacts with AXL, CUL2 and FGFR3. Interacts with INSR. By a subset of cytokines including those belonging to the interferon, interleukin and colony-stimulating factor families. Expressed in all tissues with high expression in spleen, small intestine and peripheral blood leukocytes.
Protein type: Inhibitor
Chromosomal Location of Human Ortholog: 16p13.13
Cellular Component: cytoplasmic membrane-bound vesicle; cytoplasm; nucleus; cytosol
Molecular Function: insulin-like growth factor receptor binding; protein binding; protein kinase inhibitor activity; kinase inhibitor activity; protein kinase binding
Biological Process: fat cell differentiation; regulation of protein amino acid phosphorylation; regulation of growth; cytokine and chemokine mediated signaling pathway; negative regulation of tyrosine phosphorylation of Stat3 protein; negative regulation of insulin receptor signaling pathway; negative regulation of protein kinase activity; protein ubiquitination; JAK-STAT cascade; negative regulation of JAK-STAT cascade
Research Articles on SOCS-1
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Products associated with anti-SOCS-1 antibody
Pathways associated with anti-SOCS-1 antibody
Diseases associated with anti-SOCS-1 antibody
Organs/Tissues associated with anti-SOCS-1 antibody
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