Difference between revisions of "HtpX"

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(References)
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= This gene is a member of the following [[regulons]] =
 
= This gene is a member of the following [[regulons]] =
 
+
{{SubtiWiki regulon|[[Rok regulon]]}},
 +
{{SubtiWiki regulon|[[YkrK regulon]]}},
  
 
=The gene=
 
=The gene=
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
 +
* increased sensitivity to membrane protein overproduction {{PubMed|22447908}}
 +
* increased sensitivity to dissipation of the membrane potential by the addition of valinomycin {{PubMed|22447908}}
  
 
=== Database entries ===
 
=== Database entries ===
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* '''Regulation:'''  
 
* '''Regulation:'''  
 +
** induced by membrane protein overproduction ([[YkrK]]) {{PubMed|22447908}}
 +
** induced by dissipation of membrane potential (ΔΨ) by addition of a sublethal concentration of valinomycin {{PubMed|22447908}}
 +
** expression is increased due to mutations in ''[[resE]]'', ''[[resB]]'', ''[[sdhC]]'', and'' [[sdhA]]'' {{PubMed|22447908}}
 +
** induced by salt stress {{PubMed|22447908}}
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
 +
** [[YkrK]]: transcription repression {{PubMed|22447908}}
 +
** [[Rok]]: transcription repression {{PubMed|22447908}}
  
 
* '''Additional information:'''  
 
* '''Additional information:'''  

Revision as of 17:44, 27 March 2012

  • Description: similar to E.coli HtpX heat shock protease, stress-responsive membrane protease

Gene name ykrL
Synonyms htpX
Essential no
Product membrane protease
Function quality control of membrane proteins
MW, pI 32 kDa, 10.157
Gene length, protein length 894 bp, 298 aa
Immediate neighbours ykrK, ktrD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YkrL context.gif
This image was kindly provided by SubtiList



Categories containing this gene/protein

membrane proteins, proteolysis

This gene is a member of the following regulons

Rok regulon, YkrK regulon,

The gene

Basic information

  • Locus tag: BSU13490

Phenotypes of a mutant

  • increased sensitivity to membrane protein overproduction PubMed
  • increased sensitivity to dissipation of the membrane potential by the addition of valinomycin PubMed

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: peptidase M48B family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: cell membrane (according to Swiss-Prot)

Database entries

  • Structure:
  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulation:
    • induced by membrane protein overproduction (YkrK) PubMed
    • induced by dissipation of membrane potential (ΔΨ) by addition of a sublethal concentration of valinomycin PubMed
    • expression is increased due to mutations in resE, resB, sdhC, and sdhA PubMed
    • induced by salt stress PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References