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P09138 (COX3_MAIZE) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 84. 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
OrganismZea mays (Maize)
Taxonomic identifier4577 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaePACMAD cladePanicoideaeAndropogoneaeZea

Protein attributes

Sequence length265 AA.
Sequence statusComplete.
Protein existenceEvidence at transcript level

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_0000183806

Regions

Transmembrane16 – 3621Helical; Potential
Transmembrane41 – 6121Helical; Potential
Transmembrane84 – 10421Helical; Potential
Transmembrane162 – 18221Helical; Potential
Transmembrane200 – 22021Helical; Potential
Transmembrane242 – 26221Helical; Potential

Sequences

Sequence LengthMass (Da)Tools
P09138 [UniParc].

Last modified November 1, 1995. Version 2.
Checksum: B10D10921745180C

FASTA26529,328
        10         20         30         40         50         60 
MIESQRHSYH LVDPSPWPIS GSLGALATTV GGVMYMHSFQ GGATLLSLGL IFLLYTMFVW 

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

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

       190        200        210        220        230        240 
GMEYYQAPST ISDSIYGSTF LLATGFHGFH VIIGTLFLIV CGIRQYLGHL TKKHHVGFEA 

       250        260 
AAWYWHFVDV VRLFPFVSIY WWGGT 

« Hide

References

[1]"Nucleotide sequence of the Zea mays mitochondrial cytochrome oxidase subunit III gene."
McCarty D.M., Hehman G.L., Hauswirth W.W.
Nucleic Acids Res. 16:9873-9873(1988) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]Kaleikau E.K., Walbot V.
Submitted (APR-1992) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE.
Strain: cv. B37N.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
X12728 Genomic DNA. Translation: CAA31221.1.
X53055 mRNA. Translation: CAA37222.1.

3D structure databases

ProteinModelPortalP09138.
SMRP09138. Positions 5-263.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Organism-specific databases

GrameneP09138.
MaizeGDB69221.

Phylogenomic databases

HOGENOMHOG000264954.

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_MAIZE
AccessionPrimary (citable) accession number: P09138
Entry history
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: November 1, 1995
Last modified: July 9, 2014
This is version 84 of the entry and version 2 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