MyBioSource.com's IRS4 Antibody is a Rabbit Polyclonal antibody. This antibody has been shown to work in applications such as: ELISA, and Western Blot. The IRS4 Antibody was generated using IRS4 as the antigen and it reacts with Human.
Description
Function: Acts as an interface between multiple growth factor receptors possessing tyrosine kinase activity, such as insulin receptor, IGF1R and FGFR1, and a complex network of intracellular signaling molecules containing SH2 domains. Involved in the IGF1R mitogenic signaling pathway. Promotes the AKT1 signaling pathway and BAD phosphorylation during insulin stimulation without activation of RPS6KB1 or the inhibition of apoptosis. Interaction with GRB2 enhances insulin-stimulated mitogen-activated protein kinase activity. May be involved in nonreceptor tyrosine kinase signaling in myoblasts. Plays a pivotal role in the proliferation/differentiation of hepatoblastoma cell through EPHB2 activation upon IGF1 stimulation. May play a role in the signal transduction in response to insulin and to a lesser extent in response to IL4 and GH on mitogenesis. Plays a role in growth, reproduction and glucose homeostasis. May act as negative regulators of the IGF1 signaling pathway by suppressing the function of IRS1 and IRS2.
Subunit Structure: Interacts with SOCS6 in response to stimulation with either insulin or IGF1 (By similarity). Interacts with CRK and CRKL. Interaction with CRK is stronger than with CRKL. Interacts with CRK via the phosphorylated YXXM motifs. Interacts with GRB2 and PIK3R1. Interacts with PLC-gamma, SHC1, PTK6, PPP4C and NISCH.
Post-translational Modifications: Phosphorylated on tyrosine residues in response to both insulin and IGF1 signaling. Phosphorylated on Tyr-921 in response to FGF2 signaling. Phosphorylation of Tyr-921 is required for GRB2, phospholipase C-gamma and phosphatidylinositol 3-kinase interaction