CarB

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  • Description: carbamoyl-phosphate transferase-arginine subunit B)

Gene name carB
Synonyms cpa
Essential no
Product carbamoyl-phosphate transferase-arginine subunit B)
Function biosynthesis of arginine
Gene expression levels in SubtiExpress: carB
Interactions involving this protein in SubtInteract: CarB
Metabolic function and regulation of this protein in SubtiPathways:
carB
MW, pI 112 kDa, 4.712
Gene length, protein length 3090 bp, 1030 aa
Immediate neighbours carA, argF
Sequences Protein DNA DNA_with_flanks
Genetic context
CarB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
CarB expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, most abundant proteins

This gene is a member of the following regulons

AhrC regulon

The gene

Basic information

  • Locus tag: BSU11240

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2 ATP + L-glutamine + HCO3- + H2O = 2 ADP + phosphate + L-glutamate + carbamoyl phosphate (according to Swiss-Prot)
  • Protein family: carB family (according to Swiss-Prot)
  • Paralogous protein(s): PyrAB

Extended information on the protein

  • Kinetic information:
  • Modification:
  • Effectors of protein activity:

Database entries

  • Structure: 1JDB (from Escherichia coli, 47% identity, 64% similarity) PubMed
  • KEGG entry: [3]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation:
  • Regulatory mechanism:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Christine Eymann, Annette Dreisbach, Dirk Albrecht, Jörg Bernhardt, Dörte Becher, Sandy Gentner, Le Thi Tam, Knut Büttner, Gerrit Buurman, Christian Scharf, Simone Venz, Uwe Völker, Michael Hecker
A comprehensive proteome map of growing Bacillus subtilis cells.
Proteomics: 2004, 4(10);2849-76
[PubMed:15378759] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

A Mountain, N H Mann, R N Munton, S Baumberg
Cloning of a Bacillus subtilis restriction fragment complementing auxotrophic mutants of eight Escherichia coli genes of arginine biosynthesis.
Mol Gen Genet: 1984, 197(1);82-9
[PubMed:6096675] [WorldCat.org] [DOI] (P p)