Difference between revisions of "HrcA"

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Revision as of 13:58, 16 May 2013

  • Description: transcriptional repressor of class I heat-shock genes

Gene name hrcA
Synonyms yqxE, yqeS
Essential no
Product transcriptional repressor
Function regulation of chaperone gene expression
Gene expression levels in SubtiExpress: hrcA
Interactions involving this protein in SubtInteract: HrcA
Metabolic function and regulation of this protein in SubtiPathways:
Stress
MW, pI 38 kDa, 6.079
Gene length, protein length 1029 bp, 343 aa
Immediate neighbours grpE, hemN
Sequences Protein DNA DNA_with_flanks
Genetic context
HrcA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
HrcA expression.png




























Categories containing this gene/protein

transcription factors and their control, heat shock proteins

This gene is a member of the following regulons

HrcA regulon

The HrcA regulon:

The gene

Basic information

  • Locus tag: BSU25490

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Protein family: hrcA family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): GroEL acts as co-repressor
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Wolfgang Schumann, Bayreuth University, Germany Homepage

Thomas Wiegert, University of Bayreuth, Germany Homepage

Your additional remarks

References

Thomas Wiegert, Wolfgang Schumann
Analysis of a DNA-binding motif of the Bacillus subtilis HrcA repressor protein.
FEMS Microbiol Lett: 2003, 223(1);101-6
[PubMed:12799007] [WorldCat.org] [DOI] (P p)

Silke Reischl, Thomas Wiegert, Wolfgang Schumann
Isolation and analysis of mutant alleles of the Bacillus subtilis HrcA repressor with reduced dependency on GroE function.
J Biol Chem: 2002, 277(36);32659-67
[PubMed:12082092] [WorldCat.org] [DOI] (P p)

J D Helmann, M F Wu, P A Kobel, F J Gamo, M Wilson, M M Morshedi, M Navre, C Paddon
Global transcriptional response of Bacillus subtilis to heat shock.
J Bacteriol: 2001, 183(24);7318-28
[PubMed:11717291] [WorldCat.org] [DOI] (P p)

G Homuth, A Mogk, W Schumann
Post-transcriptional regulation of the Bacillus subtilis dnaK operon.
Mol Microbiol: 1999, 32(6);1183-97
[PubMed:10383760] [WorldCat.org] [DOI] (P p)

A Mogk, G Homuth, C Scholz, L Kim, F X Schmid, W Schumann
The GroE chaperonin machine is a major modulator of the CIRCE heat shock regulon of Bacillus subtilis.
EMBO J: 1997, 16(15);4579-90
[PubMed:9303302] [WorldCat.org] [DOI] (P p)

G Homuth, S Masuda, A Mogk, Y Kobayashi, W Schumann
The dnaK operon of Bacillus subtilis is heptacistronic.
J Bacteriol: 1997, 179(4);1153-64
[PubMed:9023197] [WorldCat.org] [DOI] (P p)

A Schulz, W Schumann
hrcA, the first gene of the Bacillus subtilis dnaK operon encodes a negative regulator of class I heat shock genes.
J Bacteriol: 1996, 178(4);1088-93
[PubMed:8576042] [WorldCat.org] [DOI] (P p)

G Yuan, S L Wong
Isolation and characterization of Bacillus subtilis groE regulatory mutants: evidence for orf39 in the dnaK operon as a repressor gene in regulating the expression of both groE and dnaK.
J Bacteriol: 1995, 177(22);6462-8
[PubMed:7592421] [WorldCat.org] [DOI] (P p)

A Schulz, B Tzschaschel, W Schumann
Isolation and analysis of mutants of the dnaK operon of Bacillus subtilis.
Mol Microbiol: 1995, 15(3);421-9
[PubMed:7540247] [WorldCat.org] [DOI] (P p)

U Zuber, W Schumann
CIRCE, a novel heat shock element involved in regulation of heat shock operon dnaK of Bacillus subtilis.
J Bacteriol: 1994, 176(5);1359-63
[PubMed:8113175] [WorldCat.org] [DOI] (P p)

M Wetzstein, U Völker, J Dedio, S Löbau, U Zuber, M Schiesswohl, C Herget, M Hecker, W Schumann
Cloning, sequencing, and molecular analysis of the dnaK locus from Bacillus subtilis.
J Bacteriol: 1992, 174(10);3300-10
[PubMed:1339421] [WorldCat.org] [DOI] (P p)