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Q36952 (COX3_AEGCO) 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:COX3
Encoded onMitochondrion
OrganismAegilops columnaris (Goatgrass)
Taxonomic identifier4493 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBEP cladePooideaeTriticeaeAegilops

Protein attributes

Sequence length265 AA.
Sequence statusComplete.
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.

Ontologies

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 265265Cytochrome c oxidase subunit 3
PRO_0000183727

Regions

Transmembrane16 – 3621Helical; Potential
Transmembrane41 – 6121Helical; Potential
Transmembrane84 – 10421Helical; Potential
Transmembrane162 – 18221Helical; Potential
Transmembrane200 – 22021Helical; Potential
Transmembrane245 – 26521Helical; Potential

Sequences

Sequence LengthMass (Da)Tools
Q36952 [UniParc].

Last modified November 1, 1996. Version 1.
Checksum: FF418F47382FB832

FASTA26529,326
        10         20         30         40         50         60 
MIESQRHSYH LVDPSPWPIS GSLGALATTV GGVMYMHSFQ GGATLLSLGL IFLLYTMFVW 

        70         80         90        100        110        120 
WRDVLRESTL EGHHTKAVQL GPRYGSILFI VSEVMFLFAF FWASSHSSLA PTVEIGGIWP 

       130        140        150        160        170        180 
PKGIGVLDPW EIPLLNTPIL PSSGAAVTWA HHAILAGKEK RAVYALVATV SLALVSTGFQ 

       190        200        210        220        230        240 
GMEYYQAPST ISDSIYGSTF FLATGFHGFH VIIGTLFLIV CGIRQYLGLM TKKHHVGFEA 

       250        260 
AAWYWHFVDV VRLFPFVSIY WWGGI 

« Hide

References

[1]Ikeda T.M., Tsunewaki K.
Submitted (MAR-1996) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
U46766 Genomic DNA. Translation: AAA91211.1.
U46765 Genomic DNA. Translation: AAA91210.1.

3D structure databases

ProteinModelPortalQ36952.
SMRQ36952. Positions 5-263.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Organism-specific databases

GrameneQ36952.

Family and domain databases

Gene3D1.20.120.80. 1 hit.
InterProIPR024791. Cyt_c/ubiquinol_Oxase_su3.
IPR000298. Cyt_c_oxidase_su3.
IPR013833. Cyt_c_oxidase_su3_a-hlx.
[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_AEGCO
AccessionPrimary (citable) accession number: Q36952
Entry history
Integrated into UniProtKB/Swiss-Prot: July 15, 1998
Last sequence update: November 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 programPlant Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families