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IRS1 — PTBP1
Text-mined interactions from Literome
Greene et al., Biochem Biophys Res Commun 2006
:
The IRS-1 PH and
PTB domains are
essential for insulin stimulated
IRS-1 Tyr phosphorylation and insulin signaling, while Ser/Thr phosphorylation of IRS-1 disrupts these signaling events
Sharma et al., Mol Cell Biol 1997
:
In both cell types, overexpression of either the
PTB or the SAIN protein
caused a significant decrease in insulin induced tyrosine phosphorylation of
IRS-1 and Shc proteins, IRS-1 associated phosphatidylinositol 3-kinase (PI 3-K) enzymatic activity, p70s6k activation, and p44 and p42 mitogen activated protein kinase ( MAPK ) phosphorylation