Difference between revisions of "IlvB"

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=The gene=
 
=The gene=
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* '''Kinetic information:'''
 
* '''Kinetic information:'''
  
* '''Domains:'''  
+
* '''[[Domains]]:'''  
  
 
* '''Modification:'''
 
* '''Modification:'''
 
** phosphorylated on Arg-297 {{PubMed|22517742}}
 
** phosphorylated on Arg-297 {{PubMed|22517742}}
  
* '''Cofactor(s):'''
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* '''[[Cofactors]]:'''
  
 
* '''Effectors of protein activity:'''
 
* '''Effectors of protein activity:'''
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=== Additional information===
 
=== Additional information===
 +
* subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed]
  
:* subject to Clp-dependent proteolysis upon glucose starvation [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed]
 
 
=Expression and regulation=
 
=Expression and regulation=
  
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* '''Expression browser:''' [http://genome.jouy.inra.fr/cgi-bin/seb/viewdetail.py?id=ilvB_2895248_2896972_-1 ilvB] {{PubMed|22383849}}
 
* '''Expression browser:''' [http://genome.jouy.inra.fr/cgi-bin/seb/viewdetail.py?id=ilvB_2895248_2896972_-1 ilvB] {{PubMed|22383849}}
  
* '''Sigma factor:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/1577690 PubMed]
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* '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/1577690 PubMed]
  
* '''Regulation:''' for a complete overview on the regulation of the ilv operon, see [http://www.ncbi.nlm.nih.gov/pubmed/20935095 Brinsmade ''et al''.]
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* '''Regulation:'''  
 +
** for a complete overview on the regulation of the ilv operon, see [http://www.ncbi.nlm.nih.gov/pubmed/20935095 Brinsmade ''et al''.]
 
** expression is stimulated in the presence of glucose ([[CcpA]]) [http://www.ncbi.nlm.ntnrih.gov/sites/entrez/12193635 PubMed]
 
** expression is stimulated in the presence of glucose ([[CcpA]]) [http://www.ncbi.nlm.ntnrih.gov/sites/entrez/12193635 PubMed]
 
** repressed under nitrogen limiting conditions (glutamine or ammonium) ([[TnrA]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed]
 
** repressed under nitrogen limiting conditions (glutamine or ammonium) ([[TnrA]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed]
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=Biological materials =
 
=Biological materials =
  
* '''Mutant:''' GP324, ''ilvB'' under control of pXyl (cat), available in [[Jörg Stülke]] lab
+
* '''Mutant:''' GP324, ''ilvB'' under control of pXyl (cat), available in [[Jörg Stülke]]'s lab
  
 
* '''Expression vector:'''
 
* '''Expression vector:'''
 
          
 
          
* '''lacZ fusion:''' pGP520 and pGP524 (both in [[pAC5]]), available in [[Stülke]] lab; pGP523 (in [[pAC6]]), available in [[Stülke]] lab
+
* '''lacZ fusion:''' pGP520 and pGP524 (both in [[pAC5]]), pGP523 (in [[pAC6]]), all are available in [[Jörg Stülke]]'s lab
  
 
* '''GFP fusion:'''
 
* '''GFP fusion:'''
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=References=
 
=References=
'''Additional publications:''' {{PubMed|21303765}}
+
'''Additional publications:''' {{PubMed|}}
<pubmed>15060025,19258532,8289305,17488331,18083814,18641142,15547269,12618455,,15547269,12618455,12107147 1577690 12193635 15916605 15916606 15547269, 20935095 22517742 22900538 </pubmed>
+
<pubmed> 21303765 15060025,19258532,8289305,17488331,18083814, 18641142,15547269,12618455,24163341, 15547269, 12618455,12107147 1577690 12193635 15916605 15916606 15547269, 20935095 22517742 22900538 </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 12:18, 22 December 2013

  • Description: acetolactate synthase (large subunit)

Gene name ilvB
Synonyms
Essential no
Product acetolactate synthase (large subunit)
Function biosynthesis of branched-chain amino acids
Gene expression levels in SubtiExpress: ilvB
Metabolic function and regulation of this protein in SubtiPathways:
Ile, Leu, Val, Coenzyme A
MW, pI 62 kDa, 5.178
Gene length, protein length 1722 bp, 574 aa
Immediate neighbours ilvH, ysnD
Sequences Protein DNA DNA_with_flanks
Genetic context
IlvB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
IlvB expression.png















The gene

Basic information

  • Locus tag: BSU28310

Phenotypes of a mutant

Database entries

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

Additional information

Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, phosphoproteins

This gene is a member of the following regulons

CodY regulon, CcpA regulon, TnrA regulon, T-box

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 2 pyruvate = 2-acetolactate + CO2 (according to Swiss-Prot)
  • Protein family: TPP enzyme family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Modification:
    • phosphorylated on Arg-297 PubMed
  • Effectors of protein activity:

Database entries

  • Structure: 1N53 (T box RNA)
  • KEGG entry: [3]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation:
    • for a complete overview on the regulation of the ilv operon, see Brinsmade et al.
    • expression is stimulated in the presence of glucose (CcpA) PubMed
    • repressed under nitrogen limiting conditions (glutamine or ammonium) (TnrA) PubMed
    • repressed by casamino acids PubMed
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

  • Mutant: GP324, ilvB under control of pXyl (cat), available in Jörg Stülke's lab
  • Expression vector:
  • lacZ fusion: pGP520 and pGP524 (both in pAC5), pGP523 (in pAC6), all are available in Jörg Stülke's lab
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Additional publications: PubMed