CtaE

• Description: cytochrome-c oxidase (subunit III)
  
  

Gene name	ctaE
Synonyms
Essential	no
Product	cytochrome-c oxidase (subunit III)
Function	respiration
MW, pI	23 kDa, 7.411
Gene length, protein length	621 bp, 207 aa
Immediate neighbours	ctaD, ctaF
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

respiration, membrane proteins

This gene is a member of the following regulons

Abh regulon, AbrB regulon, ResD regulon

The gene

Basic information

• Locus tag: BSU14910

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 4 ferrocytochrome c + O₂ + 4 H⁺ = 4 ferricytochrome c + 2 H₂O (according to Swiss-Prot)

• Protein family: cytochrome c oxidase subunit 3 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P24012

• KEGG entry: [3]

• E.C. number: 1.9.3.1

Expression and regulation

• • Operon: ctaB-ctaC-ctaD-ctaE-ctaF-ctaG PubMed

• Sigma factor:

• Regulation:
  • expressed under anaerobic conditions (ResD) PubMed

• Regulatory mechanism:
  • ResD: transcription activation PubMed
  • Abh and AbrB: synergistic transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Additional publications: PubMed

N Azarkina, S Siletsky, V Borisov, C von Wachenfeldt, L Hederstedt, A A Konstantinov
A cytochrome bb'-type quinol oxidase in Bacillus subtilis strain 168.
J Biol Chem: 1999, 274(46);32810-7
[PubMed:10551842] [WorldCat.org] [DOI] (P p)

X Liu, H W Taber
Catabolite regulation of the Bacillus subtilis ctaBCDEF gene cluster.
J Bacteriol: 1998, 180(23);6154-63
[PubMed:9829923] [WorldCat.org] [DOI] (P p)