Reference: Laurent BC, et al. (1990) The SNF5 protein of Saccharomyces cerevisiae is a glutamine- and proline-rich transcriptional activator that affects expression of a broad spectrum of genes. Mol Cell Biol 10(11):5616-25

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Abstract


The Saccharomyces cerevisiae SNF5 gene affects expression of both glucose- and phosphate-regulated genes and appears to function in transcription. We report the nucleotide sequence, which predicts that SNF5 encodes a 102,536-dalton protein. The N-terminal third of the protein is extremely rich in glutamine and proline. Mutants carrying a deletion of the coding sequence were viable but grew slowly, indicating that the SNF5 gene is important but not essential. Evidence that SNF5 affects expression of the cell type-specific genes MF alpha 1 and BAR1 at the RNA level extends the known range of SNF5 function. SNF5 is apparently required for expression of a wide variety of differently regulated genes. A bifunctional SNF5-beta-galactosidase fusion protein was localized in the nucleus by immunofluorescence. No DNA-binding activity was detected for SNF5. A LexA-SNF5 fusion protein, when bound to a lexA operator, functioned as a transcriptional activator.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't | Research Support, U.S. Gov't, P.H.S.
Authors
Laurent BC, Treitel MA, Carlson M
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