A conserved protein interaction network involving the yeast MAP kinases Fus3 and Kss1

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A conserved protein interaction network involving the yeast MAP kinases Fus3 and Kss1

The Saccharomyces cerevisiae mitogen-activated protein kinases (MAPKs) Fus3 and Kss1 bind to multiple regulators and substrates. We show that mutations in a conserved docking site in these MAPKs (the CD/7m region) disrupt binding to an important subset of their binding partners, including the Ste7 MAPK kinase, the Ste5 adaptor/scaffold protein, and the Dig1 and Dig2 transcriptional repressors. ...

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Kss1 and Fus3 are mitogen-activated protein kinases (MAPKs or ERKs), and Ste7 is their activating MAPK/ERK kinase (MEK), in the pheromone response pathway of Saccharomyces cerevisiae. To investigate the potential role of specific interactions between these enzymes during signaling, their ability to associate with each other was examined both in solution and in vivo. When synthesized by in vitro...

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ژورنال

عنوان ژورنال: Journal of Cell Biology

سال: 2004

ISSN: 1540-8140,0021-9525

DOI: 10.1083/jcb.200310021