CtaC

• Description: cytochrome-c oxidase (subunit II)
  
  

Gene name	ctaC
Synonyms
Essential	no
Product	cytochrome-c oxidase (subunit II)
Function	respiration
Interactions involving this protein in SubtInteract: CtaC
MW, pI	39 kDa, 8.635
Gene length, protein length	1068 bp, 356 aa
Immediate neighbours	ctaB, ctaD
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, CcpA regulon, ResD regulon

The gene

Basic information

• Locus tag: BSU14890

Expression

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 2 family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • Sco-CtaC PubMed

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

Database entries

• Structure:

• UniProt: P24011

• 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
  • repressed by glucose (11-fold) (CcpA) PubMed

• Regulatory mechanism:
  • ResD: transcription activation PubMed
  • CcpA: transcription repression
  • 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

Hans-Matti Blencke, Georg Homuth, Holger Ludwig, Ulrike Mäder, Michael Hecker, Jörg Stülke
Transcriptional profiling of gene expression in response to glucose in Bacillus subtilis: regulation of the central metabolic pathways.
Metab Eng: 2003, 5(2);133-49
[PubMed:12850135] [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)

J Bengtsson, H Tjalsma, C Rivolta, L Hederstedt
Subunit II of Bacillus subtilis cytochrome c oxidase is a lipoprotein.
J Bacteriol: 1999, 181(2);685-8
[PubMed:9882689] [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)