نتایج جستجو برای: activated protein kinases
تعداد نتایج: 1374565 فیلتر نتایج به سال:
The scaffold protein Ste5 is required to properly direct signaling through the yeast mating pathway to the mitogen-activated protein kinase (MAPK), Fus3. Scaffolds are thought to function by tethering kinase and substrate in proximity. We find, however, that the previously identified Fus3-binding site on Ste5 is not required for signaling, suggesting an alternative mechanism controls Fus3's act...
The serine/threonine kinase activity of the Raf-1 proto-oncogene product is stimulated by the activation of many tyrosine kinases, including growth factor receptors and pp60v-src. Recent studies of growth factor signal transduction pathways demonstrate that Raf-1 functions downstream of activated tyrosine kinases and p21ras and upstream of mitogen-activated protein kinase. However, coexpression...
One Ras-dependent protein kinase cascade leading from growth factor receptors to the ERK (extracellular signal-regulated kinases) subgroup of mitogen-activated protein kinases (MAPKs) is dependent on the protein kinase Raf-1, which activates the MEK (MAPK or ERK kinase) dual specificity kinases. A second protein kinase cascade leading to activation of the Jun kinases (JNKs) is dependent on MEKK...
G protein-coupled receptor (GPCR) kinases (GRKs) phosphorylate activated GPCRs, priming them for arrestin binding and internalization. How GRKs recognize these receptors is unknown, but most studies indicate that a conserved region at their extreme N-terminus key. Herein we report the cryo-EM structure of light rhodopsin (Rho∗) in complex with kinase (GRK1) along supporting functional confirm k...
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