Q06474 · COX2_SYNY3
- ProteinCytochrome c oxidase subunit 2
- GenectaC
- StatusUniProtKB reviewed (Swiss-Prot)
- Amino acids332 (go to sequence)
- Protein existenceInferred from homology
- Annotation score4/5
Function
function
Subunits I and II form the functional core of the enzyme complex. Electrons originating in cytochrome c are transferred via heme a and Cu(A) to the binuclear center formed by heme a3 and Cu(B).
Catalytic activity
- 4 Fe(II)-[cytochrome c] + 8 H+(in) + O2 = 4 Fe(III)-[cytochrome c] + 4 H+(out) + 2 H2O
4 RHEA-COMP:10350 + 8 H+ (in)CHEBI:15378+ CHEBI:15379 = 4 RHEA-COMP:14399 + 4 H+ (out)CHEBI:15378+ 2 CHEBI:15377
Cofactor
Note: Binds a copper A center.
Features
Showing features for binding site.
GO annotations
all annotations | all molecular function | virus receptor activity | dna binding | rna binding | cytoskeletal motor activity | catalytic activity | gtpase activity | structural molecule activity | transporter activity | cytoskeletal protein binding | lipid binding | cyclase activity | antioxidant activity | oxidoreductase activity | transferase activity | hydrolase activity | lyase activity | isomerase activity | ligase activity | protein tag activity | cargo receptor activity | histone binding | protein folding chaperone | translation regulator activity | nutrient reservoir activity | receptor ligand activity | molecular transducer activity | molecular adaptor activity | toxin activity | cell adhesion mediator activity | molecular function regulator activity | virus coreceptor activity | catalytic activity, acting on a protein | catalytic activity, acting on dna | catalytic activity, acting on rna | molecular carrier activity | transcription regulator activity | general transcription initiation factor activity | molecular sensor activity | molecular sequestering activity | atp-dependent activity | other molecular function | all biological process | mitotic cell cycle | cytokinesis | cytoplasmic translation | immune system process | muscle system process | circulatory system process | renal system process | respiratory system process | carbohydrate metabolic process | generation of precursor metabolites and energy | dna replication | dna repair | dna recombination | chromatin organization | dna-templated transcription | regulation of dna-templated transcription | trna metabolic process | protein folding | protein glycosylation | amino acid metabolic process | modified amino acid metabolic process | lipid metabolic process | vitamin metabolic process | sulfur compound metabolic process | intracellular protein transport | nucleocytoplasmic transport | autophagy | inflammatory response | mitochondrion organization | cytoskeleton organization | microtubule-based movement | peroxisome organization | lysosome organization | chromosome segregation | cell adhesion | establishment or maintenance of cell polarity | programmed cell death | photosynthesis | mrna metabolic process | snrna metabolic process | vesicle-mediated transport | reproductive process | digestive system process | signaling | cell differentiation | protein catabolic process | extracellular matrix organization | regulatory ncrna-mediated gene silencing | telomere organization | cell junction organization | wound healing | ribosome biogenesis | cilium organization | anatomical structure development | cell motility | nervous system process | endocrine process | protein maturation | transmembrane transport | nucleobase-containing small molecule metabolic process | hepaticobiliary system process | membrane organization | protein-containing complex assembly | cell wall organization or biogenesis | nitrogen cycle metabolic process | protein localization to plasma membrane | defense response to other organism | detoxification | meiotic nuclear division | mitotic nuclear division | mitochondrial gene expression | carbohydrate derivative metabolic process | other biological process | all cellular component | nuclear chromosome | extracellular region | extracellular space | cell wall | nucleus | nuclear envelope | nucleoplasm | chromosome | nucleolus | mitochondrion | lysosome | endosome | vacuole | peroxisome | endoplasmic reticulum | golgi apparatus | lipid droplet | microtubule organizing center | cytosol | ribosome | cytoskeleton | plasma membrane | cilium | plastid | thylakoid | external encapsulating structure | extracellular matrix | cytoplasmic vesicle | organelle | other cellular component | |||
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Aspect | Term | |
---|---|---|
Cellular Component | plasma membrane | |
Cellular Component | respirasome | |
Molecular Function | copper ion binding | |
Molecular Function | cytochrome-c oxidase activity | |
Biological Process | ATP synthesis coupled electron transport |
Keywords
- Molecular function
- Biological process
- Ligand
Enzyme and pathway databases
Names & Taxonomy
Protein names
- Recommended nameCytochrome c oxidase subunit 2
- EC number
- Alternative names
Gene names
Organism names
- Strain
- Taxonomic lineageBacteria > Cyanobacteriota > Cyanophyceae > Synechococcales > Merismopediaceae > Synechocystis
Accessions
- Primary accessionQ06474
- Secondary accessions
Proteomes
Subcellular Location
UniProt Annotation
GO Annotation
Cell membrane ; Multi-pass membrane protein
Features
Showing features for transmembrane.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Transmembrane | 48-68 | Helical | ||||
Sequence: MMTIATGLFLLVEGVLVYCLI | ||||||
Transmembrane | 87-107 | Helical | ||||
Sequence: VPLEILWTAIPTVIVFTLAVY |
Keywords
- Cellular component
PTM/Processing
Features
Showing features for signal, chain.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Signal | 1-20 | |||||
Sequence: MKIPGSVITLLIGVVITVVS | ||||||
Chain | PRO_0000006065 | 21-332 | Cytochrome c oxidase subunit 2 | |||
Sequence: LWYGQNHGLMPVAASADAEKVDGIFNYMMTIATGLFLLVEGVLVYCLIRFRRRKDDQTDGPPIEGNVPLEILWTAIPTVIVFTLAVYSFEVYNNLGGLDPTISRDNAGQQMAHNHMGHMGSMGNMVAMAGDGDVALGIGLDSEEQGVNPLMVDVKGIQYAWIFTYPETGIISGELHAPIDRPVQLNMEAGDVIHAFWIPQLRLKQDVIPGRGSTLVFNASTPGQYPVICAELCGAYHGGMKSVFYAHTPEEYDDWVAANAPAPTESMAMTLPKATTAMTPNEYLAPYAKEMGVQTEALAQLKDQTSPVGDLL |
Proteomic databases
Structure
Sequence
- Sequence statusComplete
- Sequence processingThe displayed sequence is further processed into a mature form.
- Length332
- Mass (Da)35,917
- Last updated1997-11-01 v2
- Checksum314F15C8F8D4AD26
Features
Showing features for sequence conflict.
Type | ID | Position(s) | Description | |||
---|---|---|---|---|---|---|
Sequence conflict | 240-244 | in Ref. 1 and 2 | ||||
Sequence: STPGQ → RHPWA | ||||||
Sequence conflict | 320-332 | in Ref. 1 and 2 | ||||
Sequence: QLKDQTSPVGDLL → N |
Keywords
- Technical term
Sequence databases
Nucleotide Sequence | Protein Sequence | Molecule Type | Status | |
---|---|---|---|---|
X53746 EMBL· GenBank· DDBJ | CAA37776.1 EMBL· GenBank· DDBJ | Genomic DNA | ||
BA000022 EMBL· GenBank· DDBJ | BAA17288.1 EMBL· GenBank· DDBJ | Genomic DNA |