Signal transduction from multiple Ras effectors

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Abstract

Ras proteins activate a signaling cascade through direct binding of the serine/threonine kinase Raf. They also activate additional signaling pathways that are essential for full biological activity. Candidate effectors for these pathways include the RalGDS and phosphatidyl inositol 3′ kinase, as well as several other Ras binding proteins the biochemical and biological properties of which are poorly understood.

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