SGD Paper 
Kuchin S, et al. (1995) Cyclin-dependent protein kinase and cyclin homologs SSN3 and SSN8 contribute to transcriptional control in yeast. Proc Natl Acad Sci U S A 92(9):4006-10
Abstract: The SSN3 and SSN8 genes of Saccharomyces cerevisiae were identified by mutations that suppress a defect in SNF1, a protein kinase required for release from glucose repression. Mutations in SSN3 and SSN8 also act synergistically with a mutation of the MIG1 repressor protein to relieve glucose repression. We have cloned the SSN3 and SSN8 genes. SSN3 encodes a cyclin-dependent protein kinase (cdk) homolog and is identical to UME5. SSN8 encodes a cyclin homolog 35% identical to human cyclin C. SSN3 and SSN8 fusion proteins interact in the two-hybrid system and coimmunoprecipitate from yeast cell extracts. Using an immune complex assay, we detected protein kinase activity that depends on both SSN3 and SSN8. Thus, the two SSN proteins are likely to function as a cdk-cyclin pair. Genetic analysis indicates that the SSN3-SSN8 complex contributes to transcriptional repression of diversely regulated genes and also affects induction of the GAL1 promoter.
| Status: Published | Type: Journal Article | PubMed ID: 7732022 |
Topics addressed in this paper
Number of different genes curated to this paper: 4
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