Insulin receptor substrate 4 is a protein that in humans is encoded by the IRS4gene.[3][4][5]
IRS4 encodes the insulin receptor substrate 4, a cytoplasmic protein that contains many potential tyrosine and serine/threonine phosphorylation sites. Tyrosine-phosphorylated IRS4 protein has been shown to associate with cytoplasmic signalling molecules that contain SH2 domains. The IRS4 protein is phosphorylated by the insulin receptor tyrosine kinase upon receptor stimulation.[5]
Interactions[]
IRS4 has been shown to interact with CRK[6][7] and NISCH.[8]
White MF (1999). "The IRS-signalling system: a network of docking proteins that mediate insulin action". Mol. Cell. Biochem. 182 (1–2): 3–11. doi:10.1023/A:1006806722619. PMID9609109. S2CID32623861.
Escribano O, Fernández-Moreno MD, Zueco JA, et al. (2003). "Insulin receptor substrate-4 signaling in quiescent rat hepatocytes and in regenerating rat liver". Hepatology. 37 (6): 1461–9. doi:10.1053/jhep.2003.50245. PMID12774026.
Jin J, Smith FD, Stark C, et al. (2004). "Proteomic, functional, and domain-based analysis of in vivo 14-3-3 binding proteins involved in cytoskeletal regulation and cellular organization". Curr. Biol. 14 (16): 1436–50. doi:10.1016/j.cub.2004.07.051. PMID15324660. S2CID2371325.
Cuevas EP, Escribano O, Chiloeches A, et al. (2007). "Role of insulin receptor substrate-4 in IGF-I-stimulated HEPG2 proliferation". J. Hepatol. 46 (6): 1089–98. doi:10.1016/j.jhep.2007.01.031. PMID17408801.
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