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Prog Biophys Mol Biol. 1994;62(3):223-44.

The GRB family of SH2 domain proteins.

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  • 1Department of Pharmacology, New York University Medical Center, New York 10016.


The cloning of SH2 domain proteins based on their binding to growth factor receptors is a powerful technique to elucidate new signaling pathways. In some cases the function of these proteins has been quickly ascertained while in others the answers still elude us. However the major power of the technique is its ability to identify novel signaling cascades that can emanate from tyrosine kinases. The challenge is to define the nature of these signaling cascades.

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