GRB2 is a predicted scaffold protein, which is related to the following pathway(s).

PDGFRA->SRC->ABL1->BCR
PDGFRA->SRC->ABL1->CBL
PDGFRA->SRC->ABL1->CRK
PDGFRA->SRC->ABL1->CRKL
PDGFRA->SRC->ABL1->MUC1
PDGFRA->SRC->ABL1->WASF2
PDGFRA->SRC->EGFR->CBL
PDGFRA->SRC->EGFR->CRK
PDGFRA->SRC->EGFR->GAB1
PDGFRA->SRC->EGFR->MUC1
PDGFRA->SRC->EGFR->PLCG1
PDGFRA->SRC->EGFR->PTPN1
PDGFRA->SRC->EGFR->RASA1
PDGFRA->SRC->EGFR->VAV2
PDGFRA->SRC->PTK2->PXN



GRB2 is a known scaffold protein, which is related to the following pathway(s).

PTPN12->SHC->SHIP

Reference:PTP-PEST, a scaffold protein tyrosine phosphatase, negatively regulates lymphocyte activation by targeting a unique set of substrates.

PMID:11432829


GRB2 is also a signaling protein, which is involved in the following pathway(s).

Scaffold Protein(s)Related Pathway(s)
PAK1RAF1->MAP2K1->MAPK1->EGFR->GRB2
PTPN1MAPK1->EGFR->GRB2
PTPN1SRC->EGFR->GRB2
PTPN1CSNK2A1->CDC2->EGFR->GRB2
METSRC->EGFR->GRB2
SHC1MAPK1->EGFR->GRB2
SHC1CSK->SRC->EGFR->GRB2
SHC1SYK->PRKCA->EGFR->GRB2
PTPN11MAPK3->EGFR->GRB2
PTPN11PRKCA->EGFR->GRB2
PTPN11PDGFRA->SRC->EGFR->GRB2
PLCG1PDGFRA->SRC->EGFR->GRB2
CBLCSK->SRC->EGFR->GRB2
CBLPDGFRA->SRC->EGFR->GRB2
CBLSYK->PRKCA->EGFR->GRB2
PLEC1CDC2->EGFR->GRB2
PTK2CSK->SRC->EGFR->GRB2
MUC1SRC->EGFR->GRB2
PTPN6SRC->EGFR->GRB2
PTPN6SYK->PRKCA->EGFR->GRB2
MAPK14MAP2K1->MAPK1->EGFR->GRB2
MAPK14MAPK1->MAP2K1->MAPK3->EGFR->GRB2
PDGFRBPDGFRA->SRC->EGFR->GRB2
PXNCSK->SRC->EGFR->GRB2
CRKPDGFRA->SRC->EGFR->GRB2
RASA1CSK->SRC->EGFR->GRB2
PIK3R1PDGFRA->SRC->EGFR->GRB2
BCAR1SRC->EGFR->GRB2
WASSRC->EGFR->GRB2
CBLCSRC->EGFR->GRB2
GAB1MAPK1->EGFR->GRB2
GAB1MAPK3->EGFR->GRB2
GAB2MAPK1->EGFR->GRB2
GAB2MAPK3->EGFR->GRB2
GAB2SRC->EGFR->GRB2
VAV1RAF1->MAP2K1->MAPK1->EGFR->GRB2



GRB2 is also a known signal protein, which is involved in the following pathway(s)

Scaffold Protein(s)Related Pathway(s)PMID
FRS2FGFR->GRB2->SHP210809663
GAB1GRB2->SOS16687399
IRS1GRB2->SHCThe SH2/SH3 domain-containing protein GRB2 interacts with tyrosine-phosphorylated IRS1 and Shc
PTPN12SHC->SHIP->GRB211432829
SHC1GRB2->PTPN1223846654

Reference:Protein-protein interactions define specificity in signal transduction.

PMID:10809663

Reference:Scaffolding protein Grb2-associated binder 1 sustains epidermal growth factor-induced mitogenic and survival signaling by multiple positive feedback loops.

PMID:16687399

Reference: implications for insulin control of ras signalling.

PMID:The SH2/SH3 domain-containing protein GRB2 interacts with tyrosine-phosphorylated IRS1 and Shc

Reference:PTP-PEST, a scaffold protein tyrosine phosphatase, negatively regulates lymphocyte activation by targeting a unique set of substrates.

PMID:11432829

Reference:Temporal regulation of EGF signalling networks by the scaffold protein Shc1.

PMID:23846654


The sequence of GRB2

Amino acids in red are phosphorylation sites determined by MS/MS

MEAIAKYDFK ATADDELSFK RGDILKVLNE ECDQNWYKAE LNGKDGFIPK 50
NYIEMKPHPW FFGKIPRAKA EEMLSKQRHD GAFLIRESES APGDFSLSVK 100
FGNDVQHFKV LRDGAGKYFL WVVKFNSLNE LVDYHRSTSV SRNQQIFLRD 150
IEQVPQQPTY VQALFDFDPQ EDGELGFRRG DFIHVMDNSD PNWWKGACHG 200
QTGMFPRNYV TPVNRNV

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