FliK

• Description: flagellar hook-length control
  
  

Gene name	fliK
Synonyms
Essential	no
Product	flagellar hook-length control
Function	movement and chemotaxis
MW, pI	47 kDa, 4.714
Gene length, protein length	1287 bp, 429 aa
Immediate neighbours	ylxF, ylxG
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

motility and chemotaxis

This gene is a member of the following regulons

CodY regulon, SigD regulon, Spo0A regulon

The gene

Basic information

• Locus tag: BSU16270

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: fliK 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:

• UniProt: P23451

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • flgB-flgC-fliE-fliF-fliG-fliH-fliI-fliJ-ylxF-fliK-ylxG-flgE-fliL-fliM-fliY-cheY-fliZ-fliP-fliQ-fliR-flhB-flhA-flhF-ylxH-cheB-cheA-cheW-cheC-cheD-sigD-swrB PubMed
  • ylxF-fliK-ylxG-flgE-fliL-fliM-fliY-cheY-fliZ-fliP-fliQ-fliR-flhB-flhA-flhF-ylxH-cheB-cheA-cheW-cheC-cheD-sigD-swrB PubMed

• Sigma factor:
  • flgB: SigA PubMed, SigD PubMed
  • ylxF: SigD PubMed

• Regulation:
  • repressed under conditions that trigger sporulation (Spo0A) PubMed

• Regulatory mechanism:
  • Spo0A: transcription repression PubMed
  • CodY: transcription repression PubMed
  • DegU (non-phosphorylated): transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Kazuo Kobayashi
Gradual activation of the response regulator DegU controls serial expression of genes for flagellum formation and biofilm formation in Bacillus subtilis.
Mol Microbiol: 2007, 66(2);395-409
[PubMed:17850253] [WorldCat.org] [DOI] (P p)

H Werhane, P Lopez, M Mendel, M Zimmer, G W Ordal, L M Márquez-Magaña
The last gene of the fla/che operon in Bacillus subtilis, ylxL, is required for maximal sigmaD function.
J Bacteriol: 2004, 186(12);4025-9
[PubMed:15175317] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [WorldCat.org] [DOI] (P p)

W Estacio, S S Anna-Arriola, M Adedipe, L M Márquez-Magaña
Dual promoters are responsible for transcription initiation of the fla/che operon in Bacillus subtilis.
J Bacteriol: 1998, 180(14);3548-55
[PubMed:9657996] [WorldCat.org] [DOI] (P p)

L M Márquez-Magaña, M J Chamberlin
Characterization of the sigD transcription unit of Bacillus subtilis.
J Bacteriol: 1994, 176(8);2427-34
[PubMed:8157612] [WorldCat.org] [DOI] (P p)