COX1 cytochrome c oxidase subunit 1 [Saccharomyces cerevisiae S288C] - Gene

Summary

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Official Symbol: COX1
Official Full Name: cytochrome c oxidase subunit 1
Primary source: SGD:S000007260
Locus tag: Q0045
See related: AllianceGenome:SGD:S000007260; FungiDB:Q0045; VEuPathDB:Q0045
Gene type: protein coding
RefSeq status: PROVISIONAL
Organism: Saccharomyces cerevisiae S288C (strain: S288C, substrain: FY1679)
Lineage: Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes; Saccharomycetales; Saccharomycetaceae; Saccharomyces
Also known as: OXI3
Summary: Contributes to cytochrome-c oxidase activity. Involved in mitochondrial electron transport, cytochrome c to oxygen. Located in mitochondrion. Part of respiratory chain complex IV. Orthologous to human MT-CO1 (mitochondrially encoded cytochrome c oxidase I). [provided by Alliance of Genome Resources, Dec 2024]
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Genomic context

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See COX1 in Genome Data Viewer

Sequence:: Chromosome: MT; NC_001224.1 (13818..26701)

Chromosome MT - NC_001224.1 Genomic Context describing neighboring genes

Genomic regions, transcripts, and products

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Go to reference sequence details

Genomic Sequence:: NC_001224.1

Go to nucleotide: Graphics FASTA GenBank

Bibliography

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GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Overexpression of MRX9 impairs processing of RNAs encoding mitochondrial oxidative phosphorylation factors COB and COX1 in yeast.
Title: Overexpression of MRX9 impairs processing of RNAs encoding mitochondrial oxidative phosphorylation factors COB and COX1 in yeast.
Proton-transfer pathways in the mitochondrial S. cerevisiae cytochrome c oxidase.
Title: Proton-transfer pathways in the mitochondrial S. cerevisiae cytochrome c oxidase.
results indicate that the Cox1 C-terminal end is a key regulator of CcO biogenesis and that it is important for supercomplex formation/stability.
Title: The Cox1 C-terminal domain is a central regulator of cytochrome c oxidase biogenesis in yeast mitochondria.
Pet54 physically interacts with the COX1 mRNA, and this binding was independent of the presence of Mss51.
Title: A Novel Function of Pet54 in Regulation of Cox1 Synthesis in Saccharomyces cerevisiae Mitochondria.
Results demonstrate that Pet309 interacts with the COX1 mRNA and that this interaction is independent of the presence of active ribosomes.
Title: The Pet309 pentatricopeptide repeat motifs mediate efficient binding to the mitochondrial COX1 transcript in yeast.
Control of cyclic photoinitiated electron transfer between cytochrome c peroxidase (W191F) and cytochrome c by formation of dynamic binary and ternary complexes.
Title: Control of cyclic photoinitiated electron transfer between cytochrome c peroxidase (W191F) and cytochrome c by formation of dynamic binary and ternary complexes.
Data indicate the paramagnetic relaxation enhancements (PRE) on cytochrome c peroxidase (CcP) caused by its partner cytochrome c (Cc) carrying a spin label.
Title: The cytochrome c peroxidase and cytochrome c encounter complex: the other side of the story.
COX-deficient mitochondria activate Ras on their outer membrane that establishes a pro-ROS accumulation environment by suppressing antioxidant defenses and the ERAD-mediated turnover of the ER-localized NADPH oxidase Yno1p.
Title: Loss of cytochrome c oxidase promotes RAS-dependent ROS production from the ER resident NADPH oxidase, Yno1p, in yeast.
COX is assembled from separate assembly modules, each containing one of the mitochondrial-translated core subunits in association with a unique set of nuclear-encoded subunits
Title: Characterization of assembly intermediates containing subunit 1 of yeast cytochrome oxidase.
Shy1 does not serve as a mobile heme carrier between the heme a synthase and maturing Cox1 but rather cooperates with Cox15 for heme transfer and insertion in early assembly intermediates of cytochrome c oxidase.
Title: The heme a synthase Cox15 associates with cytochrome c oxidase assembly intermediates during Cox1 maturation.

Submit: New GeneRIF Correction See all GeneRIFs (28)

Pathways from PubChem

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Interactions

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Products	Interactant	Other Gene	Complex	Source	Pubs	Description

General gene information

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Homology

Orthologs from OrthoDB

Gene Ontology Provided by SGD

Function	Evidence Code	Pubs
contributes_to cytochrome-c oxidase activity	IBA Inferred from Biological aspect of Ancestor more info
contributes_to cytochrome-c oxidase activity	IDA Inferred from Direct Assay more info	PubMed
enables cytochrome-c oxidase activity	IEA Inferred from Electronic Annotation more info
enables heme binding	IEA Inferred from Electronic Annotation more info
enables metal ion binding	IEA Inferred from Electronic Annotation more info

Process	Evidence Code	Pubs
involved_in aerobic respiration	IBA Inferred from Biological aspect of Ancestor more info
involved_in aerobic respiration	IEA Inferred from Electronic Annotation more info
involved_in aerobic respiration	IMP Inferred from Mutant Phenotype more info	PubMed
involved_in mitochondrial electron transport, cytochrome c to oxygen	IDA Inferred from Direct Assay more info	PubMed
involved_in oxidative phosphorylation	IEA Inferred from Electronic Annotation more info
involved_in proton transmembrane transport	IEA Inferred from Electronic Annotation more info
involved_in respiratory electron transport chain	IBA Inferred from Biological aspect of Ancestor more info

Component	Evidence Code	Pubs
located_in membrane	IEA Inferred from Electronic Annotation more info
located_in mitochondrial inner membrane	IEA Inferred from Electronic Annotation more info
located_in mitochondrion	HDA more info	PubMed
located_in mitochondrion	IEA Inferred from Electronic Annotation more info
part_of respiratory chain complex IV	IBA Inferred from Biological aspect of Ancestor more info
part_of respiratory chain complex IV	IDA Inferred from Direct Assay more info	PubMed
part_of respiratory chain complex IV	IEA Inferred from Electronic Annotation more info

General protein information

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Preferred Names: cytochrome c oxidase subunit 1

NP_009305.1

EC 7.1.1.9

Subunit I of cytochrome c oxidase (Complex IV); Complex IV is the terminal member of the mitochondrial inner membrane electron transport chain; one of three mitochondrially-encoded subunits; number of introns in different strains varies from 2 to 8, with most strains having 4-6 introns

NCBI Reference Sequences (RefSeq)

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

NC_001224.1 Reference assembly

Range

13818..26701

Download

GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

NP_009305.1 cytochrome c oxidase subunit 1 (mitochondrion) [Saccharomyces cerevisiae S288C]

See identical proteins and their annotated locations for NP_009305.1

Status: PROVISIONAL

UniProtKB/Swiss-Prot

A0A0A7NYF6, P00401, Q9ZZX6

UniProtKB/TrEMBL

A0A0H3WHT9, A0A0H3WI28

Conserved Domains (1) summary

cd01663
Location:9 → 488

Cyt_c_Oxidase_I; Cytochrome C oxidase subunit I. Cytochrome c oxidase (CcO), the terminal oxidase in the respiratory chains of eukaryotes and most bacteria, is a multi-chain transmembrane protein located in the inner membrane of mitochondria and the cell membrane of ...