Difference between revisions of "SirA"

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(References)
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
 +
"over-replication" during sporulation {{PubMed|19682252}}
  
 
=== Database entries ===
 
=== Database entries ===
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=== Basic information/ Evolution ===
 
=== Basic information/ Evolution ===
  
* '''Catalyzed reaction/ biological activity:'''  
+
* '''Catalyzed reaction/ biological activity:''' interacts with [[DnaA]] and displaces it from the replication origin, resulting in inhibition of replication {{PubMed|19682252}}
  
 
* '''Protein family:'''
 
* '''Protein family:'''
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* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
  
* '''Interactions:'''
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* '''Interactions:''' [[SirA]]-[[DnaA]] {{PubMed|19682252}}
  
 
* '''Localization:'''
 
* '''Localization:'''

Revision as of 10:43, 18 August 2009

  • Description: sporulation protein, inhibits DNA replication

Gene name sirA
Synonyms yneE, yoxF
Essential no
Product inhibitor of DNA replication
Function control of chromosome copy number
MW, pI 17 kDa, 7.353
Gene length, protein length 444 bp, 148 aa
Immediate neighbours tkt, yneF
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YneE context.gif
This image was kindly provided by SubtiList



The gene

yneE was renamed to sirA.

Basic information

  • Locus tag: BSU17900

Phenotypes of a mutant

"over-replication" during sporulation PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: interacts with DnaA and displaces it from the replication origin, resulting in inhibition of replication PubMed
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization:

Database entries

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

Additional information

Expression and regulation

  • Operon:
  • Regulation:
    • expressed under conditions that trigger sporulation (Spo0A) 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

sirA (sporulation inhibitor of replication) is activated by Spo0A~P and inhibits DNA replication during sporulation.

References

Jennifer K Wagner, Kathleen A Marquis, David Z Rudner
SirA enforces diploidy by inhibiting the replication initiator DnaA during spore formation in Bacillus subtilis.
Mol Microbiol: 2009, 73(5);963-74
[PubMed:19682252] [WorldCat.org] [DOI] (I p)

Lilah Rahn-Lee, Boris Gorbatyuk, Ole Skovgaard, Richard Losick
The conserved sporulation protein YneE inhibits DNA replication in Bacillus subtilis.
J Bacteriol: 2009, 191(11);3736-9
[PubMed:19329632] [WorldCat.org] [DOI] (I 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)