Reference: Redd MJ, et al. (1997) A complex composed of tup1 and ssn6 represses transcription in vitro. J Biol Chem 272(17):11193-7

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Abstract


The Saccharomyces cerevisiae Tup1 protein is a member of a family of WD repeat containing proteins that are involved in repression of transcription. Tup1, along with the Ssn6 protein, represses a wide variety of genes in yeast including cell type-specific and glucose-repressed genes. Tup1 and Ssn6 are recruited to these specific gene sets by interaction with sequence-specific DNA binding proteins. In this work, a protein complex containing Ssn6 and Tup1 was purified to determine its composition. The size of the complex is estimated to be 440 kDa. Tup1 and Ssn6, which are both phosphoproteins, are the only proteins present in stoichiometric amounts in the complex. We also demonstrate that this purified complex represses transcription in an in vitro assay.

Reference Type
Journal Article
Authors
Redd MJ, Arnaud MB, Johnson AD
Primary Lit For
CYC8 | TUP1 | CYC8-TUP1 corepressor complex

Gene Ontology Annotations 2 entries for 2 genes


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Gene/ComplexQualifierGene Ontology TermAnnotation ExtensionEvidenceSourceAssigned On
CYC8part oftranscription repressor complexIPI with TUP1SGD2015-03-16
TUP1part oftranscription repressor complexIPI with CYC8SGD2015-03-16
Showing 1 to 2 of 2 entries

Interaction Annotations


Genetic Interactions

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Interactor Interactor Allele Assay Annotation Action Phenotype SGA score P-value Source Reference

Physical Interactions 1 entry for 2 genes

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InteractorInteractorAssayAnnotationActionModification
CYC8TUP1Co-fractionationmanually curatedHit-BaitNo Modification
Showing 1 to 1 of 1 entries