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Molecular chaperones have been implicated in the formation of active p60v-src tyrosine kinase. In Saccharomyces cerevisiae, expression of p60v-src causes cell death, a phenomenon that requires functional Hsp90. We show here that mutations in a member of a second class of chaperones, the yeast dnaJ homologue YDJ1, suppress the lethality caused by p60v-src.(More)
Mutations in genes encoding the molecular chaperones Hsp90 and Ydj1p suppress the toxicity of the protein tyrosine kinase p60v-src in yeast by reducing its levels or its kinase activity. We describe isolation and characterization of novel p60v-src-resistant, temperature-sensitive cdc37 mutants, cdc37-34 and cdc37-17, which produce less p60v-src than the(More)
Rab monomeric GTPases regulate specific aspects of vesicle transport in eukaryotes including coat recruitment, uncoating, fission, motility, target selection and fusion. Moreover, individual Rab proteins function at specific sites within the cell, for example the ER, golgi and early endosome. Importantly, the localization and function of individual Rab(More)
Nuclear factor I (NFI) binding sites are present in a wide range of brain-specific gene enhancer and promoter sequences and appear to play a role in establishing cell type-specific expression within the CNS. The precise mechanisms used by various members of the NFI family of proteins to confer brain-specific expression are unclear. We have addressed this(More)
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