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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 (By similarity). 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.
Gene Name: | suppressor of cytokine signaling 1 |
Synonyms: | SOCS1, CIS1, CISH1, JAB, JAK-binding protein, JAK binding protein, STAT-induced STAT inhibitor 1, SSI-1, Tec-interacting protein 3, TIP3, SOCS-1, SSI1, STAT induced SH3 protein 1, TIP-3 |
Target Sequences: | NM_003745 NP_003736.1 O15524 |
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