Article
Protein-protein interaction affinity plays a crucial role in controlling the Sho1p-mediated signal transduction pathway in yeast.
Molecular cell - 18 Jun 2004
Marles Jennifer A, Dahesh Samira, Haynes Jennifer, Andrews Brenda J, Davidson Alan R
Abstract excerpt
Protein-protein interactions are required for most cellular functions, yet little is known about the relationship between protein-protein interaction affinity and biological activity. To investigate this issue, we engineered a series of mutants that incrementally reduced the affinity of the yeast Sho1p SH3 domain for its in vivo target, the MAP kinase kinase Pbs2p. We demonstrate a strong linear correlation...
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