BAIT

PIB2

S000007475, YGL023C
Protein of unknown function; contains FYVE domain; similar to Fab1 and Vps27
GO Process (0)
GO Function (0)
GO Component (1)

Gene Ontology Cellular Component

Saccharomyces cerevisiae (S288c)
PREY

GTR1

Rag GTPase GTR1, L000000742, YML121W
Cytoplasmic GTPase; forms a heterodimer with Gtr2p to stimulate TORC1 in response to amino acids; component of GSE complex, which is required for sorting of Gap1p; involved in phosphate transport and telomeric silencing; similar to human RagA and RagB
Saccharomyces cerevisiae (S288c)

Phenotypic Suppression

A genetic interaction is inferred when mutation or over expression of one gene results in suppression of any phenotype (other than lethality/growth defect) associated with mutation or over expression of another gene.

Publication

Multi-layered regulation of TORC1-body formation in budding yeast.

Sullivan A, Wallace RL, Wellington R, Luo X, Capaldi AP

The Target of Rapamycin Kinase Complex 1 (TORC1) regulates cell growth and metabolism in eukaryotes. In Saccharomyces cerevisiae, TORC1 activity is known to be controlled by the conserved GTPases, Gtr1/2, and movement into and out of an inactive agglomerate/body. However, it is unclear if/how these regulatory steps are coupled. Here we show that active Gtr1/2 is a potent inhibitor of ... [more]

Mol. Biol. Cell Nov. 28, 2018; ();mbcE18050297 [Pubmed: 30485160]

Throughput

  • Low Throughput

Ontology Terms

  • phenotype: protein/peptide accumulation (APO:0000149)

Additional Notes

  • Deletion of Gtr1 rescued the TORC1-body formation defects seen in the single mutants

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
GTR1 PIB2
Dosage Lethality
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.

High-BioGRID
2454662
GTR1 PIB2
Negative Genetic
Negative Genetic

Mutations/deletions in separate genes, each of which alone causes a minimal phenotype, but when combined in the same cell results in a more severe fitness defect or lethality under a given condition. This term is reserved for high or low throughput studies with scores.

High-0.6487BioGRID
2160149
PIB2 GTR1
Negative Genetic
Negative Genetic

Mutations/deletions in separate genes, each of which alone causes a minimal phenotype, but when combined in the same cell results in a more severe fitness defect or lethality under a given condition. This term is reserved for high or low throughput studies with scores.

High-0.444BioGRID
2114377
PIB2 GTR1
PCA
PCA

A Protein-Fragment Complementation Assay (PCA) is a protein-protein interaction assay in which a bait protein is expressed as fusion to one of the either N- or C- terminal peptide fragments of a reporter protein and prey protein is expressed as fusion to the complementary N- or C- terminal fragment of the same reporter protein. Interaction of bait and prey proteins bring together complementary fragments, which can then fold into an active reporter, e.g. the split-ubiquitin assay.

High-BioGRID
-
PIB2 GTR1
Phenotypic Enhancement
Phenotypic Enhancement

A genetic interaction is inferred when mutation or overexpression of one gene results in enhancement of any phenotype (other than lethality/growth defect) associated with mutation or over expression of another gene.

Low-BioGRID
2451224
PIB2 GTR1
Synthetic Lethality
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.

Low-BioGRID
1503960
PIB2 GTR1
Synthetic Lethality
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.

Low-BioGRID
2451222

Curated By

  • BioGRID