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P50657 (COX3_ANAPL) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 67. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Cytochrome c oxidase subunit 3

EC=1.9.3.1
Alternative name(s):
Cytochrome c oxidase polypeptide III
Gene names
Name:MT-CO3
Synonyms:COIII, COXIII, MTCO3
Encoded onMitochondrion
OrganismAnas platyrhynchos (Domestic duck) (Anas boschas) [Complete proteome]
Taxonomic identifier8839 [NCBI]
Taxonomic lineageEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiTestudines + Archosauria groupArchosauriaDinosauriaSaurischiaTheropodaCoelurosauriaAvesNeognathaeAnseriformesAnatidaeAnas

Protein attributes

Sequence length86 AA.
Sequence statusFragment.
Protein existenceInferred from homology

General annotation (Comments)

Function

Subunits I, II and III form the functional core of the enzyme complex.

Catalytic activity

4 ferrocytochrome c + O2 + 4 H+ = 4 ferricytochrome c + 2 H2O.

Subcellular location

Mitochondrion inner membrane; Multi-pass membrane protein By similarity.

Sequence similarities

Belongs to the cytochrome c oxidase subunit 3 family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – ›86›86Cytochrome c oxidase subunit 3
PRO_0000183731

Regions

Transmembrane15 – 3521Helical; Potential
Transmembrane38 – 5821Helical; Potential

Experimental info

Non-terminal residue861

Sequences

Sequence LengthMass (Da)Tools
P50657 [UniParc].

Last modified October 1, 1996. Version 1.
Checksum: 254F9B780A044400

FASTA869,768
        10         20         30         40         50         60 
MAHQAHSYHM VDPSPWPIFG AAAALLTTSG LVMWFHYNSS ILLAAGLLSM LLVMLQWWRE 

        70         80 
IVRESTFQGH HTPTVQKGLR YGMILF 

« Hide

References

[1]"Molecular characterization and evolution of a duck mitochondrial genome."
Ramirez V., Savoie P., Morais R.
J. Mol. Evol. 37:296-310(1993) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: Pekin breed.
Tissue: Liver.
[2]"Gene organization of the Peking duck mitochondrial genome."
Desjardins P., Ramirez V., Morais R.
Curr. Genet. 17:515-518(1990) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 53-85.
Strain: Pekin breed.
Tissue: Liver.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
L22476 Genomic DNA. Translation: AAA72040.2.
X55527 Genomic DNA. Translation: CAA39144.1.

3D structure databases

ProteinModelPortalP50657.
SMRP50657. Positions 1-86.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

InterProIPR024791. Cyt_c/ubiquinol_Oxase_su3.
IPR000298. Cyt_c_oxidase_su3.
[Graphical view]
PANTHERPTHR11403. PTHR11403. 1 hit.
PfamPF00510. COX3. 1 hit.
[Graphical view]
SUPFAMSSF81452. SSF81452. 1 hit.
PROSITEPS50253. COX3. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameCOX3_ANAPL
AccessionPrimary (citable) accession number: P50657
Entry history
Integrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: April 16, 2014
This is version 67 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families