gp130: gp130 is a ubiquitously expressed type I cytokine family receptor. The receptor systems for IL6, LIF, OSM, CNTF, IL11 AND CT1 utilize gp130 for initiating signal transmission. Binds to IL6/IL6R (alpha chain) complex, resulting in the formation of high-affinity IL6 binding sites, and transduces the signal. Does not directly bind IL6. May have a role in embryonic development. Contains 5 fibronectin type III domains and 1 immunoglobulin-like C2-type domain. Two alternatively spliced isoforms have been described.
Protein type: Membrane protein, integral; Receptor, cytokine
Cellular Component: cell soma; cytosol; dendrite; external side of plasma membrane; extracellular space; integral to membrane; interleukin-6 receptor complex; membrane; oncostatin-M receptor complex; plasma membrane
Molecular Function: ciliary neurotrophic factor receptor activity; ciliary neurotrophic factor receptor binding; growth factor binding; hematopoietin/interferon-class (D200-domain) cytokine receptor activity; interleukin-11 binding; interleukin-11 receptor activity; interleukin-6 binding; interleukin-6 receptor activity; interleukin-6 receptor binding; leukemia inhibitory factor receptor activity; oncostatin-M receptor activity; protein binding; protein heterodimerization activity
Biological Process: cytokine and chemokine mediated signaling pathway; glycogen metabolic process; leukemia inhibitory factor signaling pathway; positive regulation of astrocyte differentiation; positive regulation of cell proliferation; positive regulation of osteoblast differentiation; positive regulation of smooth muscle cell migration; positive regulation of T cell proliferation; positive regulation of tyrosine phosphorylation of Stat1 protein; positive regulation of tyrosine phosphorylation of Stat3 protein; reduction of cytosolic calcium ion concentration; regulation of Notch signaling pathway; response to cytokine stimulus; signal transduction; triacylglycerol mobilization
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