FlgK

• Description: flagellar hook-filament junction proteins
  
  

Gene name	flgK
Synonyms
Essential	no
Product	flagellar hook-filament junction proteins
Function	motility and chemotaxis
Gene expression levels in SubtiExpress: flgK
MW, pI	54 kDa, 4.375
Gene length, protein length	1521 bp, 507 aa
Immediate neighbours	flgL, flgN
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

motility and chemotaxis

This gene is a member of the following regulons

ComK regulon, DegU regulon, SigD regulon

The gene

Basic information

• Locus tag: BSU35410

Database entries

• BsubCyc: BSU35410

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: flagella basal body rod proteins family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactors:

• Effectors of protein activity:

• Interactions:

• Localization:
  • extracellular (no signal peptide) PubMed

Database entries

• BsubCyc: BSU35410

• Structure:

• UniProt: P39810

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • comFA-comFB-comFC-yvyF-flgM-flgN-flgK-flgL PubMed
  • yvyF-flgM-flgN-flgK-flgL PubMed
  • flgM-flgN-flgK-flgL PubMed

• Expression browser: flgK PubMed

• Sigma factor:
  • comFA: SigA PubMed
  • yvyF: SigD PubMed
  • flgM: SigD PubMed

• Regulation:

• Regulatory mechanism:
  • ComK: transcription activation PubMed
  • flgM: DegU-P: transcription activation PubMed

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 192 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 591 PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Yi-Huang Hsueh, Loralyn M Cozy, Lok-To Sham, Rebecca A Calvo, Alina D Gutu, Malcolm E Winkler, Daniel B Kearns
DegU-phosphate activates expression of the anti-sigma factor FlgM in Bacillus subtilis.
Mol Microbiol: 2011, 81(4);1092-108
[PubMed:21736639] [WorldCat.org] [DOI] (I p)

Birgit Voigt, Haike Antelmann, Dirk Albrecht, Armin Ehrenreich, Karl-Heinz Maurer, Stefan Evers, Gerhard Gottschalk, Jan Maarten van Dijl, Thomas Schweder, Michael Hecker
Cell physiology and protein secretion of Bacillus licheniformis compared to Bacillus subtilis.
J Mol Microbiol Biotechnol: 2009, 16(1-2);53-68
[PubMed:18957862] [WorldCat.org] [DOI] (I p)

D B Mirel, P Lauer, M J Chamberlin
Identification of flagellar synthesis regulatory and structural genes in a sigma D-dependent operon of Bacillus subtilis.
J Bacteriol: 1994, 176(15);4492-500
[PubMed:8045879] [WorldCat.org] [DOI] (P p)

J A Londoño-Vallejo, D Dubnau
comF, a Bacillus subtilis late competence locus, encodes a protein similar to ATP-dependent RNA/DNA helicases.
Mol Microbiol: 1993, 9(1);119-31
[PubMed:8412657] [WorldCat.org] [DOI] (P p)