QcrA

• Description: component of the cytochrome bc complex, cytochrome-c reductase
  
  

Gene name	qcrA
Synonyms	bfcA, petC
Essential	no
Product	cytochrome-c reductase
Function	respiration
MW, pI	18 kDa, 6.078
Gene length, protein length	501 bp, 167 aa
Immediate neighbours	qcrB, ypiF
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: BSU22560

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: accD/PCCB 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:

• Swiss prot entry: P46911

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation: repressed by glucose (5.5-fold) (CcpA) PubMed, repressed by casamino acids PubMed

• Regulatory mechanism: CcpA: transcription repression

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: