ResA

• Description: extracytoplasmic thioredoxin, cytochrome c biogenesis, reduces disulfide bonds in apo-cytochrome prior to the attachment of heme
  
  

Gene name	resA
Synonyms	ypxA
Essential	yes PubMed
Product	extracytoplasmic thioredoxin
Function	cytochrome c biogenesis
MW, pI	20 kDa, 8.37
Gene length, protein length	543 bp, 181 aa
Immediate neighbours	resB, rluB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU23150

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ResA subfamily (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 3C73

• UniProt: P35160

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: resA-resB-resC-resD-resE

• Sigma factor: SigA

• Regulation:
  • expressed under anaerobic conditions (ResD) PubMed
  • expressed under conditions of phosphate limitation (PhoP) PubMed

• Regulatory mechanism:
  • ResD: transcription activation PubMed
  • PhoP: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Christopher T C Hodson, Allison Lewin, Lars Hederstedt, Nick E Le Brun
The active-site cysteinyls and hydrophobic cavity residues of ResA are important for cytochrome c maturation in Bacillus subtilis.
J Bacteriol: 2008, 190(13);4697-705
[PubMed:18456809] [WorldCat.org] [DOI] (I p)

Allison Lewin, Allister Crow, Christopher T C Hodson, Lars Hederstedt, Nick E Le Brun
Effects of substitutions in the CXXC active-site motif of the extracytoplasmic thioredoxin ResA.
Biochem J: 2008, 414(1);81-91
[PubMed:18422485] [WorldCat.org] [DOI] (I p)

Lýğur S Erlendsson, Richard M Acheson, Lars Hederstedt, Nick E Le Brun
Bacillus subtilis ResA is a thiol-disulfide oxidoreductase involved in cytochrome c synthesis.
J Biol Chem: 2003, 278(20);17852-8
[PubMed:12637552] [WorldCat.org] [DOI] (P p)

M M Nakano, Y Zhu
Involvement of ResE phosphatase activity in down-regulation of ResD-controlled genes in Bacillus subtilis during aerobic growth.
J Bacteriol: 2001, 183(6);1938-44
[PubMed:11222591] [WorldCat.org] [DOI] (P p)

S M Birkey, W Liu, X Zhang, M F Duggan, F M Hulett
Pho signal transduction network reveals direct transcriptional regulation of one two-component system by another two-component regulator: Bacillus subtilis PhoP directly regulates production of ResD.
Mol Microbiol: 1998, 30(5);943-53
[PubMed:9988472] [WorldCat.org] [DOI] (P p)

G Sun, E Sharkova, R Chesnut, S Birkey, M F Duggan, A Sorokin, P Pujic, S D Ehrlich, F M Hulett
Regulators of aerobic and anaerobic respiration in Bacillus subtilis.
J Bacteriol: 1996, 178(5);1374-85
[PubMed:8631715] [WorldCat.org] [DOI] (P p)