CtaD

• Description: cytochrome-c oxidase (subunit I)
  
  

Gene name	ctaD
Synonyms
Essential	yes PubMed
Product	cytochrome-c oxidase (subunit I)
Function	respiration
MW, pI	68 kDa, 6.985
Gene length, protein length	1866 bp, 622 aa
Immediate neighbours	ctaC, ctaE
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: BSU14900

Phenotypes of a mutant

essential PubMed

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: heme-copper respiratory oxidase family (according to Swiss-Prot)

• Paralogous protein(s): QoxB

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: P24010

• 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

Helena B Thomaides, Ella J Davison, Lisa Burston, Hazel Johnson, David R Brown, Alison C Hunt, Jeffery Errington, Lloyd Czaplewski
Essential bacterial functions encoded by gene pairs.
J Bacteriol: 2007, 189(2);591-602
[PubMed:17114254] [WorldCat.org] [DOI] (P p)

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)

J van der Oost, C von Wachenfeld, L Hederstedt, M Saraste
Bacillus subtilis cytochrome oxidase mutants: biochemical analysis and genetic evidence for two aa3-type oxidases.
Mol Microbiol: 1991, 5(8);2063-72
[PubMed:1685007] [WorldCat.org] [DOI] (P p)