BAIT

MSS51

L000001205, YLR203C
Specific translational activator for the mitochondrial COX1 mRNA; loosely associated with the matrix face of the mitochondrial inner membrane; localizes to vacuole membrane in response to H2O2; influences both COX1 mRNA translation and Cox1p assembly into cytochrome c oxidase; binds to heme B, which may be a mechanism for sensing oxygen levels in order to regulate cytochrome c oxidase biogenesis
GO Process (2)
GO Function (1)
GO Component (3)

Gene Ontology Biological Process

Gene Ontology Molecular Function

Gene Ontology Cellular Component

Saccharomyces cerevisiae (S288c)
PREY

COX5A

cytochrome c oxidase subunit Va, L000000388, L000000387, YNL052W
Subunit Va of cytochrome c oxidase; cytochrome c oxidase is the terminal member of the mitochondrial inner membrane electron transport chain; Cox5Ap is predominantly expressed during aerobic growth while its isoform Vb (Cox5Bp) is expressed during anaerobic growth; COX5A has a paralog, COX5B, that arose from the whole genome duplication
GO Process (1)
GO Function (1)
GO Component (3)

Gene Ontology Biological Process

Gene Ontology Molecular Function

Gene Ontology Cellular Component

Saccharomyces cerevisiae (S288c)

Co-fractionation

Interaction inferred from the presence of two or more protein subunits in a partially purified protein preparation. If co-fractionation is demonstrated between 3 or more proteins, then add them as a complex.

Publication

Global mitochondrial connectivity map reveals the landscape of yeast functional assemblies and conserved protein communities.

Jessulat M, Phanse S, Aoki H, Broderick K, Zhang Q, Castro IG, Novales NA, Hossain SA, Saccon T, Moutaoufik MT, Joseph TP, Amin S, Hoell L, Minic Z, Bykov Y, Preminger N, Crespo SG, Snider J, Golshani A, Stagljar I, Rodriguez-Medina JR, Clarke CF, Schuldiner M, Babu M

Mitochondria are essential organelles whose functions depend on coordinated multiprotein complexes, yet their composition and organization remain incomplete. Here, we present a large-scale map of mitochondrial protein complexes by integrating affinity purification of 740 endogenously GFP-tagged mitochondrial proteins with biochemical co-fractionation of mitochondrial extracts from yeast (Saccharomyces cerevisiae) grown under respiratory conditions. Mass spectrometry identifies 13,716 high-confidence protein associations and ... [more]

Nat Commun May. 05, 2026; (); [Pubmed: 42086547]

Quantitative Score

  • 3.74 [Confidence Score]

Throughput

  • High Throughput

Additional Notes

  • High throughput score cut-off value/description The PPIs are derived from two methods AP-MS and CF-MS. The LLS PPI score is derived from the LLS AP-MS and LLS CF-MS scores. The cutoff for AP-MS is 5.34 and CF-MS is 3.12. If the PPI is detected by both methods and meets the threshold in one of the methods the Average LLS score is taken as the final LLS score for the PPI.

Related interactions

InteractionExperimental Evidence CodeDatasetThroughputScoreCurated ByNotes
MSS51 COX5A
Affinity Capture-MS
Affinity Capture-MS

An interaction is inferred when a bait protein is affinity captured from cell extracts by either polyclonal antibody or epitope tag and the associated interaction partner is identified by mass spectrometric methods.

Low-BioGRID
-
COX5A MSS51
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.

Low-BioGRID
299059
COX5A MSS51
Phenotypic Suppression
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.

Low-BioGRID
299056

Curated By

  • BioGRID