FabF

• Description: beta-ketoacyl-acyl carrier protein synthase II, involved in the control of membrane fluidity
  
  

Gene name	fabF
Synonyms	yjaY
Essential	yes PubMed
Product	beta-ketoacyl-acyl carrier protein synthase II
Function	fatty acid biosynthesis
Gene expression levels in SubtiExpress: fabF
Metabolic function and regulation of this protein in SubtiPathways: Lipid synthesis
MW, pI	43 kDa, 4.768
Gene length, protein length	1239 bp, 413 aa
Immediate neighbours	fabHA, yjaZ
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

membrane dynamics, biosynthesis of lipids, cell envelope stress proteins (controlled by SigM, V, W, X, Y), essential genes

This gene is a member of the following regulons

FapR regulon, SigW regulon

The gene

Basic information

• Locus tag: BSU11340

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • (Z)-hexadec-11-enoyl-[acyl-carrier-protein] + malonyl-[acyl-carrier-protein] = (Z)-3-oxooctadec-13-enoyl-[acyl-carrier-protein] + CO₂ + [acyl-carrier-protein] (according to Swiss-Prot)
  • SigW-dependent expression of fabF and the yuaF-floT-yuaI operon result in reduced membrane fluidity PubMed

• Protein family: beta-ketoacyl-ACP synthases family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 1OX0 (the protein from Streptococcus pneumoniae) PubMed

• UniProt: O34340

• KEGG entry: [3]

• E.C. number: 2.3.1.179

Expression and regulation

• Operon: fabHA-fabF PubMed

• Expression browser: fabF PubMed

• Sigma factor:
  • fabHA: SigA PubMed
  • fabF: SigW PubMed

• Regulation:
  • fabHA: expressed when the cells experience a lack of malonyl-CoA (FapR) PubMed
  • fabHA: induced upon fatty acid biosynthesis inhibition PubMed
  • fabF: induced by alkaline shock and by polymyxin B, vancomycin, cephalosporin C, D-cycloserine, and triton X-100 (SigW) PubMed

• Regulatory mechanism:
  • FapR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original Publications

Additional publications: PubMed

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)

Gustavo E Schujman, Silvia Altabe, Diego de Mendoza
A malonyl-CoA-dependent switch in the bacterial response to a dysfunction of lipid metabolism.
Mol Microbiol: 2008, 68(4);987-96
[PubMed:18384517] [WorldCat.org] [DOI] (I p)

Allen C Price, Charles O Rock, Stephen W White
The 1.3-Angstrom-resolution crystal structure of beta-ketoacyl-acyl carrier protein synthase II from Streptococcus pneumoniae.
J Bacteriol: 2003, 185(14);4136-43
[PubMed:12837788] [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)

K Kobayashi, S D Ehrlich, A Albertini, G Amati, K K Andersen, M Arnaud, K Asai, S Ashikaga, S Aymerich, P Bessieres, F Boland, S C Brignell, S Bron, K Bunai, J Chapuis, L C Christiansen, A Danchin, M Débarbouille, E Dervyn, E Deuerling, K Devine, S K Devine, O Dreesen, J Errington, S Fillinger, S J Foster, Y Fujita, A Galizzi, R Gardan, C Eschevins, T Fukushima, K Haga, C R Harwood, M Hecker, D Hosoya, M F Hullo, H Kakeshita, D Karamata, Y Kasahara, F Kawamura, K Koga, P Koski, R Kuwana, D Imamura, M Ishimaru, S Ishikawa, I Ishio, D Le Coq, A Masson, C Mauël, R Meima, R P Mellado, A Moir, S Moriya, E Nagakawa, H Nanamiya, S Nakai, P Nygaard, M Ogura, T Ohanan, M O'Reilly, M O'Rourke, Z Pragai, H M Pooley, G Rapoport, J P Rawlins, L A Rivas, C Rivolta, A Sadaie, Y Sadaie, M Sarvas, T Sato, H H Saxild, E Scanlan, W Schumann, J F M L Seegers, J Sekiguchi, A Sekowska, S J Séror, M Simon, P Stragier, R Studer, H Takamatsu, T Tanaka, M Takeuchi, H B Thomaides, V Vagner, J M van Dijl, K Watabe, A Wipat, H Yamamoto, M Yamamoto, Y Yamamoto, K Yamane, K Yata, K Yoshida, H Yoshikawa, U Zuber, N Ogasawara
Essential Bacillus subtilis genes.
Proc Natl Acad Sci U S A: 2003, 100(8);4678-83
[PubMed:12682299] [WorldCat.org] [DOI] (P p)