Linked Life Data

48892Evidence2832

Source:http://www.reactome.org/biopax/48892Evidence2832

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biopax3:comment
Direct binding of GRB2:SOS1 complex to phosphorylated homodimers of EGFR cancer mutants has not been tested. GRB2 binds to phosphorylated tyrosine residues Y1068 and Y1086 (corresponding to Y1092 and Y1110, respectively, when counting from the first amino acid of the EGFR precursor, prior to cleavage of the 24-amino acid signal peptide at the N-terminus). Phosphorylation of Y1068 (i.e. Y1092) has been directly demonstrated in the following EGFR cancer mutants: EGFR L858R mutant (Sordella et al. 2004, Lynch et al. 2004, Greulich et al. 2005, Yang et al. 2006, Choi et al. 2007); EGFR G719S mutant (Greulich et al. 2005, Choi et al. 2007); EGFR L747_P753insS mutant (Sordella et al. 2004, Lynch et al. 2004, Choi et al. 2007); EGFR L747_A750delinsP (Greulich et al. 2005); EGFR L747_S752del mutant (Pao et al. 2004); EGFR L861Q mutant (Lee et al. 2006, Yang et al. 2006); EGFRvIII mutant (Huang et al. 2007); EGFR A289V mutant (Lee et al. 2006); EGFR G598V mutant (Lee et al. 2006); EGFR R108K mutant (Lee et al. 2006); EGFR T263P mutant (Lee et al. 2006); EGFR D770_N771insNPG mutant (Greulich et al. 2005, Xu et al. 2007); EGFR D770_N771insNPH mutant (Xu et al. 2007); EGFR V738_K739insKIPVAI mutant (Xu et al. 2007); EGFR M766_A767insASV mutant (Xu et al. 2007).
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