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fabF [2019-09-10 16:08:09]
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fabF [2019-09-10 16:08:09]

beta-ketoacyl-acyl carrier protein synthase II, involved in the control of membrane fluidity
locus
BSU_11340
pI
4.77
mw
43.84 kDa
protein length
413 aa Sequence Blast
gene length
1242 bp Sequence Blast
function
fatty acid biosynthesis
product
beta-ketoacyl-acyl carrier protein synthase II
essential
yes
ec
2.3.1.179
synonyms
yjaY

Genomic Context

      

categories

  • [category|SW 1|Cellular processes] → [category|SW 1.1|Cell envelope and cell division] → [category|SW 1.1.7|Membrane dynamics]
  • [category|SW 2|Metabolism] → [category|SW 2.4|Lipid metabolism] → [category|SW 2.4.2|Biosynthesis of lipids] → [category|SW 2.4.2.1|Biosynthesis of fatty acids]
  • [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.2|Cell envelope stress proteins (controlled by SigM, V, W, X, Y)]
  • [category|SW 6|Groups of genes] → [category|SW 6.1|Essential genes]
  • Gene

    Coordinates
    1,209,183 1,210,424

    Phenotypes of a mutant

  • essential [Pubmed|12682299]
  • CRISPRi knock-down: terminal phenotype of growth cessation, moderate bending [Pubmed|27238023]
  • FabF-I108F: resistance to cerulenin [Pubmed|11325930,24641521]
  • FabF-L112F: resistance to cerulenin (Zeigler DR, unpublished observations)
  • The protein

    Catalyzed reaction/ biological activity

  • (11Z)-hexadecenoyl-[ACP] + H+ + malonyl-[ACP] --> 3-oxo-(13Z)-octadecenoyl-[ACP] + CO2 + holo-[ACP](according to UniProt)
  • [protein|3D974DD2967C7F8FD4E3C2AF42617B8AE9F0296D|SigW]-dependent expression of ''[gene|5D5D9A544295DD9B55C75A8CF47AB19935E740C6|fabF]'' and the ''[gene|FFBB9B236B7D532D45FE0593B793E28E051BE7A2|yuaF]-[gene|61893B4EB53FBBB9AD8BEEEFFCEFD0FC64544D6F|floT]-[gene|56345EA776E1C5664EF1F2D1AF5CE3E5F40AD442|yuaI]'' operon result in reduced membrane fluidity [Pubmed|21542858,22178969]
  • Protein family

  • [SW|thiolase-like superfamily] (according to UniProt)
  • Structure

  • [PDB|4LS5] [Pubmed|24641521]
  • Expression and Regulation

    Operons

    genes
    [gene|40E064365588CFED483FBFED02BFC0DA531CCC4A|fabHA]-[gene|5D5D9A544295DD9B55C75A8CF47AB19935E740C6|fabF]
    description
    [Pubmed|12737802]

    sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|12737802], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]
  • [protein|3D974DD2967C7F8FD4E3C2AF42617B8AE9F0296D|SigW]: sigma factor, [Pubmed|21542858], in [regulon|3D974DD2967C7F8FD4E3C2AF42617B8AE9F0296D|SigW regulon]
  • regulatory mechanism

  • [protein|FCDE900167AE36377979E0CF7BC33C7F351B95D3|FapR]: repression, [Pubmed|12737802], in [regulon|FCDE900167AE36377979E0CF7BC33C7F351B95D3|FapR regulon]
  • regulation

  • ''[SW|fabHA]'': expressed when the cells experience a lack of malonyl-CoA ([protein|FCDE900167AE36377979E0CF7BC33C7F351B95D3|FapR]) [Pubmed|12737802]
  • expression of the operon is strongly reduced during [SW|biofilm formation] [pubmed|31113899]
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    Biological materials

    Mutant

  • BEC11340 (lacA::Pxyl-dcas9 amyE::Pveg-sgRNA(fabF) trpC2) [http://www.bgsc.org/getdetail.php?bgscid=BEC11340 BGSC], [Pubmed|27238023]
  • 1A573 (fabF2 trpC2) [http://www.bgsc.org/getdetail.php?bgscid=1A573 BGSC], cerulenin-resistant mutant
  • References

    Reviews

  • 15952903,17919287
  • Original Publications

  • 11325930,18384517,12837788,12737802,12682299,21383089,24641521,21542858,22178969,24641521,27238023