Growth factor receptor-bound protein: Difference between revisions

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<StructureSection load='1bmb' size='350' side='right' caption='Structure of human Grb2 SH2 domain (pink) complex with phosphotyrosyl heptapeptide (gold)  (PDB entry [[1tze]])' scene=''>
<StructureSection load='1bmb' size='350' side='right' caption='Structure of human Grb2 SH2 domain (grey) complex with phosphotyrosyl polypeptide (gold)  (PDB entry [[1bmb]])' scene=''>
   
   
'''Growth factor receptor-bound proteins''' (GRB) are adaptor proteins.  GRBs contain SH2, Ras-associated (RA) and pleckstrin homology (PH) domains. <br />
'''Growth factor receptor-bound proteins''' (GRB) are adaptor proteins.  GRBs contain SH2, Ras-associated (RA) and pleckstrin homology (PH) domains. <br />

Revision as of 14:41, 16 March 2016


Growth factor receptor-bound proteins (GRB) are adaptor proteins. GRBs contain SH2, Ras-associated (RA) and pleckstrin homology (PH) domains.

  • GRB2 links the epidermal growth factor receptor tyrosine kinase to the activation of Ras and its downstream kinases. GRB2 contains an SH2 domain which binds tyrosine phosphorylated sequences and 2 SH3 domains which direct complex formation of proline-rich sequences. GRB2 is involved in signal transduction[1].
  • GRB7 interacts with EGFR and ephrin receptors and plays a role in itegrin signalling pathway[2].
  • GRB10 and GRB14 interact with insulin receptor and insulin-like growth factor receptors[3]. For additional details on GRB10 see Grb10 SH2 Domain.

Structure of human Grb2 SH2 domain (grey) complex with phosphotyrosyl polypeptide (gold) (PDB entry 1bmb)

Drag the structure with the mouse to rotate

3D structures of growth factor receptor-bound proteins3D structures of growth factor receptor-bound proteins

Updated on 16-March-2016

ReferencesReferences

  1. ↑ Lowenstein EJ, Daly RJ, Batzer AG, Li W, Margolis B, Lammers R, Ullrich A, Skolnik EY, Bar-Sagi D, Schlessinger J. The SH2 and SH3 domain-containing protein GRB2 links receptor tyrosine kinases to ras signaling. Cell. 1992 Aug 7;70(3):431-42. PMID:1322798
  2. ↑ Nadler Y, Gonzalez AM, Camp RL, Rimm DL, Kluger HM, Kluger Y. Growth factor receptor-bound protein-7 (Grb7) as a prognostic marker and therapeutic target in breast cancer. Ann Oncol. 2010 Mar;21(3):466-73. doi: 10.1093/annonc/mdp346. Epub 2009 Aug 28. PMID:19717535 doi:http://dx.doi.org/10.1093/annonc/mdp346
  3. ↑ Deng Y, Bhattacharya S, Swamy OR, Tandon R, Wang Y, Janda R, Riedel H. Growth factor receptor-binding protein 10 (Grb10) as a partner of phosphatidylinositol 3-kinase in metabolic insulin action. J Biol Chem. 2003 Oct 10;278(41):39311-22. Epub 2003 Jun 3. PMID:12783867 doi:http://dx.doi.org/10.1074/jbc.M304599200

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