Skip Header

You are using a version of Internet Explorer that may not display all features of this website. Please upgrade to a modern browser.
Contribute Send feedback
Read comments (?) or add your own

Q03440 (COX4_BACP3) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 65. 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 4B

EC=1.9.3.1
Alternative name(s):
Cytochrome aa3 subunit 4B
Cytochrome c oxidase polypeptide IVB
Gene names
Name:caaD
OrganismBacillus sp. (strain PS3)
Taxonomic identifier2334 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliBacillalesBacillaceaeBacillus

Protein attributes

Sequence length110 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Catalytic activity

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

Subcellular location

Cell membrane; Multi-pass membrane protein.

Sequence similarities

Belongs to the cytochrome c oxidase bacterial subunit 4 family.

Ontologies

Keywords
   Cellular componentCell membrane
Membrane
   DomainTransmembrane
Transmembrane helix
   Molecular functionOxidoreductase
   Technical termDirect protein sequencing
Gene Ontology (GO)
   Cellular_componentintegral component of membrane

Inferred from electronic annotation. Source: UniProtKB-KW

plasma membrane

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular_functioncytochrome-c oxidase activity

Inferred from electronic annotation. Source: UniProtKB-EC

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Initiator methionine11Removed Ref.1
Chain2 – 110109Cytochrome c oxidase subunit 4B
PRO_0000183901

Regions

Transmembrane29 – 4921Helical; Potential
Transmembrane55 – 7521Helical; Potential
Transmembrane89 – 10921Helical; Potential

Sequences

Sequence LengthMass (Da)Tools
Q03440 [UniParc].

Last modified January 23, 2007. Version 2.
Checksum: 04A68F25EF2EABB4

FASTA11012,864
        10         20         30         40         50         60 
MANQTNSGNE RVDLAYRRRK NAEEMRHQMI AFVLMILLTL IAFAAVGYEE FSHWFVVPFI 

        70         80         90        100        110 
LLLAAVQVAF QLYYFMHMSH KGHEFPAMFI YGGVAVMLLL VWAFTTVVWW 

« Hide

References

[1]"Nucleotide sequence of the gene coding for four subunits of cytochrome c oxidase from the thermophilic bacterium PS3."
Ishizuka M., Machida K., Shimada S., Mogi A., Tsuchiya T., Ohmori T., Souma Y., Gonda M., Sone N.
J. Biochem. 108:866-873(1990) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 2-17.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
D13955 Genomic DNA. Translation: BAA03048.1.

3D structure databases

ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

InterProIPR014257. Cyt_c_oxidase_su4_bacillaceae.
IPR005171. Cyt_c_oxidase_suIV_prok.
[Graphical view]
PfamPF03626. COX4_pro. 1 hit.
[Graphical view]
TIGRFAMsTIGR02908. CoxD_Bacillus. 1 hit.
ProtoNetSearch...

Entry information

Entry nameCOX4_BACP3
AccessionPrimary (citable) accession number: Q03440
Entry history
Integrated into UniProtKB/Swiss-Prot: February 1, 1994
Last sequence update: January 23, 2007
Last modified: April 16, 2014
This is version 65 of the entry and version 2 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families