FabHB

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Gene name fabHB
Synonyms yhfB , fabH2
Essential no
Product beta-ketoacyl-acyl carrier protein synthase III
Function fatty acid biosynthesis
Gene expression levels in SubtiExpress: fabHB
Metabolic function and regulation of this protein in SubtiPathways:
Lipid synthesis
MW, pI 35 kDa, 5.684
Gene length, protein length 975 bp, 325 aa
Immediate neighbours yhgE, yhfC
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
FabHB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
FabHB expression.png




























Categories containing this gene/protein

biosynthesis of lipids

This gene is a member of the following regulons

FapR regulon

The gene

Basic information

  • Locus tag: BSU10170

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Acetyl-CoA + malonyl-[acyl-carrier-protein] = acetoacyl-[acyl-carrier-protein] + CoA + CO2 (according to Swiss-Prot)
  • Protein family: fabH family (according to Swiss-Prot)
  • Paralogous protein(s): FabHA, one of the two proteins has to be present for viability PubMed

Extended information on the protein

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

Database entries

  • KEGG entry: [3]

Additional information

  • affinity for butyryl-CoA, but prefers acetyl-CoA in fatty acid biosynthesis PubMed

Expression and regulation

  • Sigma factor:
  • Regulation:
    • induced if the cells experience a lack of malonyl-CoA (FapR) PubMed
    • induced upon fatty acid biosynthesis inhibition PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Reviews

Original Publications