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  • Description: fumarase

Gene name citG
Essential no
Product fumarate hydratase
Function TCA cycle
Gene expression levels in SubtiExpress: citG
Interactions involving this protein in SubtInteract: CitG
Metabolic function and regulation of this protein in SubtiPathways:
Central C-metabolism
MW, pI 50 kDa, 5.475
Gene length, protein length 1386 bp, 462 aa
Immediate neighbours yuxN, yvzF
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
CitG context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
CitG expression.png

Categories containing this gene/protein

carbon core metabolism

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU33040

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (S)-malate = fumarate + H2O (according to Swiss-Prot)
  • Protein family: Fumarase subfamily (according to Swiss-Prot)
  • Paralogous protein(s): AnsB

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 3R6Q (aspartase from Bacillus sp. YM55-1, 43% identity, 77% similarity) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation: constitutive
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Expression vector:
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Jörg Stülke's lab
  • Antibody:

Labs working on this gene/protein

Your additional remarks


Additional publications: PubMed

Frederik M Meyer, Jan Gerwig, Elke Hammer, Christina Herzberg, Fabian M Commichau, Uwe Völker, Jörg Stülke
Physical interactions between tricarboxylic acid cycle enzymes in Bacillus subtilis: evidence for a metabolon.
Metab. Eng.: 2011, 13(1);18-27
[PubMed:20933603] [] [DOI] (I p)

V A Price, I M Feavers, A Moir
Role of sigma H in expression of the fumarase gene (citG) in vegetative cells of Bacillus subtilis 168.
J. Bacteriol.: 1989, 171(11);5933-9
[PubMed:2509423] [] [DOI] (P p)

K M Tatti, H L Carter, A Moir, C P Moran
Sigma H-directed transcription of citG in Bacillus subtilis.
J. Bacteriol.: 1989, 171(11);5928-32
[PubMed:2509422] [] [DOI] (P p)

I M Feavers, V Price, A Moir
The regulation of the fumarase (citG) gene of Bacillus subtilis 168.
Mol. Gen. Genet.: 1988, 211(3);465-71
[PubMed:3130545] [] (P p)

J S Miles, J R Guest
Complete nucleotide sequence of the fumarase gene (citG) of Bacillus subtilis 168.
Nucleic Acids Res.: 1985, 13(1);131-40
[PubMed:3923430] [] [DOI] (P p)