BAIT
VMA2
VAT2, H(+)-transporting V1 sector ATPase subunit B, ATPSV, L000002458, YBR127C
Subunit B of V1 peripheral membrane domain of vacuolar H+-ATPase; an electrogenic proton pump found throughout the endomembrane system; contains nucleotide binding sites; also detected in the cytoplasm; protein abundance increases in response to DNA replication stress
GO Process (4)
GO Function (1)
GO Component (4)
Gene Ontology Biological Process
Gene Ontology Molecular Function
Gene Ontology Cellular Component
Saccharomyces cerevisiae (S288c)
PREY
SOD1
CRS4, superoxide dismutase SOD1, L000001978, YJR104C
Cytosolic copper-zinc superoxide dismutase; detoxifies superoxide; stabilizes Yck1p and Yck2p kinases in glucose to repress respiration; phosphorylated by Dun1p and enters the nucleus under oxidative stress to promote transcription of stress response genes; human ortholog implicated in ALS; abundance increases under DNA replication stress and during exposure to boric acid; localization of a fraction to the mitochondrial intermembrane space is modulated by the MICOS complex
GO Process (10)
GO Function (3)
GO Component (4)
Gene Ontology Biological Process
- age-dependent response to reactive oxygen species involved in chronological cell aging [IMP]
- cellular copper ion homeostasis [IMP]
- cellular zinc ion homeostasis [IMP]
- fungal-type cell wall organization [IMP]
- negative regulation of cellular respiration [IMP]
- positive regulation of sequence-specific DNA binding transcription factor activity [IMP]
- positive regulation of transcription from RNA polymerase II promoter in response to oxidative stress [IMP]
- protein stabilization [IMP, IPI]
- removal of superoxide radicals [IBA]
- superoxide metabolic process [IMP]
Gene Ontology Molecular Function
Gene Ontology Cellular Component
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
Loss of vacuolar proton-translocating ATPase activity in yeast results in chronic oxidative stress.
Yeast mutants lacking vacuolar proton-translocating ATPase (V-ATPase) subunits (vma mutants) were sensitive to several different oxidants in a recent genomic screen (Thorpe, G. W., Fong, C. S., Alic, N., Higgins, V. J., and Dawes, I. W. (2004) Proc. Natl. Acad. Sci. U. S. A. 101, 6564-6569). We confirmed that mutants lacking a V(1) subunit (vma2Delta), V(o) subunit, or either of ... [more]
J. Biol. Chem. Mar. 09, 2007; 282(10);7125-36 [Pubmed: 17215245]
Throughput
- Low Throughput
Ontology Terms
- phenotype: inviable (APO:0000112)
Curated By
- BioGRID