domain:The SH2 domain preferentially binds phosphopeptides with the consensus sequence Y-[TVI]-X-L and mediates interaction with PDGFRA , PDGFRB , FGRFR1 , IL2RB , IL2RG , CD3Z and CRK/CrKII. ,function:Adapter protein which regulates several signal transduction cascades by linking activated receptors to downstream signaling components. May play a role in angiogenesis by regulating FGFR1 , VEGFR2 and PDGFR signaling. May also play a role in T-cell antigen receptor/TCR signaling , interleukin-2 signaling , apoptosis and neuronal cells differentiation by mediating basic-FGF and NGF-induced signaling cascades. May also regulate IRS1 and IRS2 signaling in insulin-producing cells. ,PTM:Phosphorylated upon PDGFRA , PDGFRB , TCR , IL2 receptor , FGRF1 or VEGFR2 activation. ,similarity:Contains 1 SH2 domain. ,subcellular location:Associates with membrane lipid rafts upon TCR stimulation. ,subunit:Interacts with PTPN11 (By similarity) . Interacts with phosphorylated 'Tyr-720' of the ligand-activated receptor PDGFRA via its SH2 domain. Interacts with the ligand-activated receptors PDGFRB , FGFR1 , KDR/VEGFR2 , IL2RB and IL2RG. Interacts with EPS8 and V-SRC. Interacts with GRB2 and GRAP. Interacts with CD3Z. Interacts with tyrosine-phosphorylated LAT upon T-cell antigen receptor activation. Interacts with PLCG1. Interacts with ZAP70 , LCP2/SLP-76 , VAV1 and GRAP2. Interacts with JAK1 and JAK3. Interacts with PTK2/FAK1. Interacts with CRK/CrKII. Interacts with IRS2. ,tissue specificity:Widely expressed. ,
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