BAIT

CDC34

DNA6, UBC3, SCF E2 ubiquitin-protein ligase catalytic subunit CDC34, L000000271, YDR054C
Ubiquitin-conjugating enzyme (E2); catalytic subunit of SCF ubiquitin-protein ligase complex (together with Skp1p, Rbx1p, Cdc53p, and an F-box protein) that regulates cell cycle progression by targeting key substrates for degradation; protein abundance increases in response to DNA replication stress
Saccharomyces cerevisiae (S288c)
PREY

GCN4

AAS101, AAS3, ARG9, amino acid starvation-responsive transcription factor GCN4, L000000683, YEL009C
bZIP transcriptional activator of amino acid biosynthetic genes; activator responds to amino acid starvation; expression is tightly regulated at both the transcriptional and translational levels
Saccharomyces cerevisiae (S288c)

Dosage Lethality

A genetic interaction is inferred when over expression or increased dosage of one gene causes lethality in a strain that is mutated or deleted for another gene.

Publication

Degradation of the transcription factor Gcn4 requires the kinase Pho85 and the SCF(CDC4) ubiquitin-ligase complex.

Meimoun A, Holtzman T, Weissman Z, McBride HJ, Stillman DJ, Fink GR, Kornitzer D

Gcn4, a yeast transcriptional activator that promotes the expression of amino acid and purine biosynthesis genes, is rapidly degraded in rich medium. Here we report that SCF(CDC4), a recently characterized protein complex that acts in conjunction with the ubiquitin-conjugating enzyme Cdc34 to degrade cell cycle regulators, is also necessary for the degradation of the transcription factor Gcn4. Degradation of Gcn4 ... [more]

Mol. Biol. Cell Mar. 01, 2000; 11(3);915-27 [Pubmed: 10712509]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: inviable (APO:0000112)

Curated By

  • BioGRID