Signal transduction. Imposing specificity on kinases.

Adaptor Proteins, Signal Transducing Binding Sites Carrier Proteins/metabolism Cell Membrane/enzymology,metabolism Evolution, Molecular GTP-Binding Protein beta Subunits Heterotrimeric GTP-Binding Proteins/metabolism Intracellular Signaling Peptides and Proteins MAP Kinase Kinase Kinases/metabolism MAP Kinase Signaling System Mitogen-Activated Protein Kinase Kinases/metabolism Mitogen-Activated Protein Kinases/metabolism Mutation Osmolar Concentration Phosphorylation Protein Binding Protein Kinases/metabolism Protein Precursors/metabolism Protein Serine-Threonine Kinases/metabolism Protein Structure, Tertiary Saccharomyces cerevisiae/enzymology,genetics,metabolism Saccharomyces cerevisiae Proteins/metabolism Substrate Specificity

Adaptor Proteins, Signal Transducing Carrier Proteins GTP-Binding Protein beta Subunits Intracellular Signaling Peptides and Proteins MF(ALPHA)1 protein, S cerevisiae Protein Precursors STE5 protein, S cerevisiae Saccharomyces cerevisiae Proteins Ste4 protein, S cerevisiae Protein Kinases Protein Serine-Threonine Kinases Mitogen-Activated Protein Kinases MAP Kinase Kinase Kinases STE20 protein, S cerevisiae Ste11 protein, S cerevisiae Mitogen-Activated Protein Kinase Kinases PBS2 protein, S cerevisiae STE7 protein, S cerevisiae Heterotrimeric GTP-Binding Proteins