FbaA

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  • Description: fructose 1,6-bisphosphate aldolase, glycolytic/ gluconeogenic enzyme

Gene name fbaA
Synonyms fba, fba1, tsr
Essential yes
Product fructose-1,6-bisphosphate aldolase
Function enzyme in glycolysis/ gluconeogenesis
MW, pI 30,2 kDa, 5.03
Gene length, protein length 855 bp, 285 amino acids
Immediate neighbours spo0F, ywjH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
FbaA context.gif
This image was kindly provided by SubtiList




The gene

Basic information

  • Locus tag: BSU37120

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: D-fructose 1,6-bisphosphate = glycerone phosphate + D-glyceraldehyde 3-phosphate (according to Swiss-Prot)
  • Protein family: class II fructose-bisphosphate aldolase family (according to Swiss-Prot) class II fructose-bisphosphate aldolase family
  • Paralogous protein(s): FbaB

Extended information on the protein

  • Kinetic information: Reversible Michaelis-Menten PubMed
  • Domains:
    • 2 x Dihydroxyacetone phosphate binding domain (210–212), (231–234)
  • Modification: phosphorylation on Thr-212 and Thr-234 PubMed
  • Cofactor(s): Zn2+ (Metalloenzyme)
  • Effectors of protein activity:
    • Inhibited by alpha-ketoglutarate, oxaloacetate and pyruvate PubMed PubMed
    • Activated by NH4+ PubMed
  • Interactions:
  • Localization:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Binds 2 zinc ions per subunit. One is catalytic and the other provides a structural contribution

Expression and regulation

  • Sigma factor:
  • Regulation: constitutively expressed PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector: pGP395 (N-terminal His-tag, in pWH844), pGP88 (N-terminal Strep-tag, for SPINE, expression in B. subtilis, in pGP380)
  • lacZ fusion: pGP601 (in pAC6)
  • GFP fusion:
  • two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Stülke lab
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Boris Macek, Ivan Mijakovic, Jesper V Olsen, Florian Gnad, Chanchal Kumar, Peter R Jensen, Matthias Mann
The serine/threonine/tyrosine phosphoproteome of the model bacterium Bacillus subtilis.
Mol Cell Proteomics: 2007, 6(4);697-707
[PubMed:17218307] [WorldCat.org] [DOI] (P p)

Matthieu Fonvielle, Philippe Weber, Kasia Dabkowska, Michel Therisod
New highly selective inhibitors of class II fructose-1,6-bisphosphate aldolases.
Bioorg Med Chem Lett: 2004, 14(11);2923-6
[PubMed:15125960] [WorldCat.org] [DOI] (P p)

S Ujita
Fructose 1,6-bisphosphate aldolases from spores and vegetative cells of Bacillus subtilis PCI 219.
J Biochem: 1978, 83(2);493-502
[PubMed:24624] [WorldCat.org] [DOI] (P p)

  1. Trach K, Chapman JW & Piggot P (1988) Complete sequence and transcriptional analysis of the spo0F region of the Bacillus subtilis chromosome J Bacteriol. 170: 4194-4208. PubMed
  2. Ludwig H, Homuth G & Schmalisch M (2001) Transcription of glycolytic genes and operons in Bacillus subtilis: evidence for the presence of multiple levels of control of the gapA operon Mol Microbiol. 41: 409-422. PubMed
  3. Macek et al. (2007) The serine/ threonine/ tyrosine phosphoproteome of the model bacterium Bacillus subtilis. Mol. Cell. Proteomics 6: 697-707 PubMed