BAIT
PDI1
MFP1, TRG1, protein disulfide isomerase PDI1, L000001360, YCL043C
Protein disulfide isomerase; multifunctional protein of ER lumen, essential for formation of disulfide bonds in secretory and cell-surface proteins, unscrambles non-native disulfide bonds; key regulator of Ero1p; forms complex with Mnl1p that has exomannosidase activity, processing unfolded protein-bound Man8GlcNAc2 oligosaccharides to Man7GlcNAc2, promoting degradation in unfolded protein response; PDI1 has a paralog, EUG1, that arose from the whole genome duplication
GO Process (1)
GO Function (4)
GO Component (1)
Gene Ontology Biological Process
Gene Ontology Molecular Function
Gene Ontology Cellular Component
Saccharomyces cerevisiae (S288c)
PREY
NRG2
L000004599, YBR066C
Transcriptional repressor; mediates glucose repression and negatively regulates filamentous growth; activated in stochastic pulses of nuclear localization in response to low glucose
GO Process (6)
GO Function (1)
GO Component (1)
Gene Ontology Biological Process
- cell adhesion involved in single-species biofilm formation [IGI]
- negative regulation of cellular hyperosmotic salinity response by negative regulation of transcription from RNA polymerase II promoter [IGI]
- negative regulation of invasive growth in response to glucose limitation [IGI]
- negative regulation of invasive growth in response to glucose limitation by negative regulation of transcription from RNA polymerase II promoter [IGI]
- negative regulation of transcription from RNA polymerase II promoter by glucose [IGI, IMP]
- pseudohyphal growth [IGI]
Gene Ontology Molecular Function
Saccharomyces cerevisiae (S288c)
Synthetic Lethality
A genetic interaction is inferred when mutations or deletions in separate genes, each of which alone causes a minimal phenotype, result in lethality when combined in the same cell under a given condition.
Publication
The unfolded protein response is necessary but not sufficient to compensate for defects in disulfide isomerization.
Pdi1p (protein-disulfide isomerase) is a folding assistant of the endoplasmic reticulum (ER) that catalyzes disulfide formation and the isomerization of incorrect disulfides. Its disulfide forming activity is its essential function in Saccharomyces cerevisiae. A truncation mutant (Pdi1a') that is competent in disulfide formation but deficient in catalyzing isomerization has only a small effect on growth, although the maturation of isomerase-requiring ... [more]
J. Biol. Chem. Apr. 17, 2009; 284(16);10400-8 [Pubmed: 19233841]
Throughput
- High Throughput
Ontology Terms
- phenotype: inviable (APO:0000112)
- phenotype: heat sensitivity (APO:0000147)
Additional Notes
- diploid synthetic lethality array method (dSLAM)
Curated By
- BioGRID