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Sci STKE. 2002 Aug 13;2002(145):pe36.

The two hats of SOS.

Author information

1
Department of Molecular Genetics and Microbiology, State University of New York at Stony Brook, Stony Brook, NY 11794, USA.

Abstract

Son of sevenless (SOS) is a guanine nucleotide exchange factor that activates Ras in response to growth factor stimulation. SOS also appears to serve as a guanine nucleotide exchanger for Rac and, thus, may be involved in cytoskeleton reorganization. Nimnual and Bar-Sagi discuss how these two activities of SOS can be regulated and how SOS may be recruited to different cellular locations through interactions with the adaptor proteins Grb2 and E3b1.

PMID:
12177507
DOI:
10.1126/stke.2002.145.pe36
[Indexed for MEDLINE]

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