| Product description |
Rabbit polyclonal to Insulin Receptor ( phospho Y972 )Biological actions of insulin are mediated by the Insulin Receptor (IR), a receptor tyrosine kinase that regulates multiple signaling pathways through activation of a series of phosphorylation cascades. The IR is a heterotetrameric protein consisting of two ligand-binding alpha subunits and two beta subunits that each contain a tyrosine kinase domain. Insulin binding to the extracellular domain leads to autophosphorylation of the receptor and activation of the intrinsic tyrosine kinase activity, which allows appropriate substrates to be phosphorylated. Tyrosine 972 is in the juxtamembrane Asn-Pro- Glu-Tyr (NPEY) motif. Phosphorylation of IR tyrosine 972 is required for the binding and/or phosphorylation of the adapter protein Shc, the PTB domain, IRS-1, PI3 kinase, and the Suppressor of Cytokine Signaling (SOCS). |