Difference between revisions of "FabHB"

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Revision as of 12:54, 16 May 2013

  • Description: beta-ketoacyl-acyl carrier protein synthase III

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
Sequences Protein DNA DNA_with_flanks
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

Yasutaro Fujita, Hiroshi Matsuoka, Kazutake Hirooka
Regulation of fatty acid metabolism in bacteria.
Mol Microbiol: 2007, 66(4);829-39
[PubMed:17919287] [WorldCat.org] [DOI] (P p)

Stephen W White, Jie Zheng, Yong-Mei Zhang, Rock
The structural biology of type II fatty acid biosynthesis.
Annu Rev Biochem: 2005, 74;791-831
[PubMed:15952903] [WorldCat.org] [DOI] (P p)

Original Publications

Michaela Wenzel, Malay Patra, Dirk Albrecht, David Y-K Chen, K C Nicolaou, Nils Metzler-Nolte, Julia E Bandow
Proteomic signature of fatty acid biosynthesis inhibition available for in vivo mechanism-of-action studies.
Antimicrob Agents Chemother: 2011, 55(6);2590-6
[PubMed:21383089] [WorldCat.org] [DOI] (I p)

Natalia Martin, Esteban Lombardía, Silvia G Altabe, Diego de Mendoza, María C Mansilla
A lipA (yutB) mutant, encoding lipoic acid synthase, provides insight into the interplay between branched-chain and unsaturated fatty acid biosynthesis in Bacillus subtilis.
J Bacteriol: 2009, 191(24);7447-55
[PubMed:19820084] [WorldCat.org] [DOI] (I p)

Helena B Thomaides, Ella J Davison, Lisa Burston, Hazel Johnson, David R Brown, Alison C Hunt, Jeffery Errington, Lloyd Czaplewski
Essential bacterial functions encoded by gene pairs.
J Bacteriol: 2007, 189(2);591-602
[PubMed:17114254] [WorldCat.org] [DOI] (P p)

Gustavo E Schujman, Luciana Paoletti, Alan D Grossman, Diego de Mendoza
FapR, a bacterial transcription factor involved in global regulation of membrane lipid biosynthesis.
Dev Cell: 2003, 4(5);663-72
[PubMed:12737802] [WorldCat.org] [DOI] (P p)

C Davies, R J Heath, S W White, C O Rock
The 1.8 A crystal structure and active-site architecture of beta-ketoacyl-acyl carrier protein synthase III (FabH) from escherichia coli.
Structure: 2000, 8(2);185-95
[PubMed:10673437] [WorldCat.org] [DOI] (P p)

K H Choi, R J Heath, C O Rock
beta-ketoacyl-acyl carrier protein synthase III (FabH) is a determining factor in branched-chain fatty acid biosynthesis.
J Bacteriol: 2000, 182(2);365-70
[PubMed:10629181] [WorldCat.org] [DOI] (P p)