Difference between revisions of "Sandbox"

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* '''Description:''' acetolactate synthase (large subunit) <br/><br/>
+
* '''Description:''' 2-isopropylmalate synthase <br/><br/>
  
 
{| align="right" border="1" cellpadding="2"  
 
{| align="right" border="1" cellpadding="2"  
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"|'''Gene name'''
 
|style="background:#ABCDEF;" align="center"|'''Gene name'''
−
|''ilvB''
+
|''leuA''
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
 
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
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|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Product''' || acetolactate synthase (large subunit)
+
|style="background:#ABCDEF;" align="center"| '''Product''' || 2-isopropylmalate synthase
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Function''' || biosynthesis of branched-chain amino acids
+
|style="background:#ABCDEF;" align="center"|'''Function''' || biosynthesis of leucine
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 62 kDa, 5.178  
+
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 56 kDa, 5.657  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1722 bp, 574 aa  
+
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1554 bp, 518 aa  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[ilvH]]'', ''[[ysnD]]''
+
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[leuB]]'', ''[[ilvC]]''
 
|-
 
|-
−
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/ilvB_nucleotide.txt    Gene sequence      (+200bp)  ]'''  
+
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/leuA_nucleotide.txt    Gene sequence      (+200bp)  ]'''  
−
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/ilvB_protein.txt Protein sequence]'''
+
|style="background:#FAF8CC;" align="center"|'''[http://subtiwiki.uni-goettingen.de/leuA_protein.txt Protein sequence]'''
 
|-
 
|-
−
|colspan="2" | '''Genetic context''' <br/> [[Image:ilvB_context.gif]]
+
|colspan="2" | '''Genetic context''' <br/> [[Image:leuA_context.gif]]
 
  <div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
 
  <div align="right"> <small>This image was kindly provided by [http://genolist.pasteur.fr/SubtiList/ SubtiList]</small></div>
 
|-
 
|-
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* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ilvBHC-leuABCD.html]
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ilvBHC-leuABCD.html]
  
−
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG10670]
+
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG11948]
  
 
=== Additional information===
 
=== Additional information===
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* '''Interactions:'''
 
* '''Interactions:'''
  
−
* '''Localization:'''
+
* '''Localization:''' membrane [http://www.ncbi.nlm.nih.gov/pubmed/18763711 PubMed]
  
 
=== Database entries ===
 
=== Database entries ===
Line 81: Line 81:
 
* '''Swiss prot entry:'''
 
* '''Swiss prot entry:'''
  
−
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU28310]
+
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU28280]
  
 
* '''E.C. number:'''
 
* '''E.C. number:'''
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* '''Sigma factor:''' [[SigA]]
 
* '''Sigma factor:''' [[SigA]]
  
−
* '''Regulation:''' expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose (CcpA) [http://www.ncbi.nlm.ntnrih.gov/sites/entrez/12193635 PubMed], during growth repressed under nitrogen limiting conditions ([[TnrA]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed]
+
* '''Regulation:''' expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed]
  
−
* '''Regulatory mechanism:''' glucose regulation: [[CcpA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed], [[TnrA]]: transcription repession [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed], repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by [[CodY]]  
+
* '''Regulatory mechanism:''' glucose regulation: [[CcpA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed], repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by [[CodY]]  
  
 
* '''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]
 
* '''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]
Line 121: Line 121:
  
 
# Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed]
 
# Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Abstract&list_uids=+17981983 PubMed]
−
# Grandoni, J. A., S. A. Zahler, and J. M. Calvo. 1992. Transcriptional regulation of the ilv-leu operon of Bacillus subtilis. J. Bacteriol. 174:3212-3219. [http://www.ncbi.nlm.nih.gov/sites/entrez/1577690 PubMed]
+
# Hahne et al. (2008) From complementarity to comprehensiveness - targeting the membrane proteome of growing ''Bacillus subtilis'' by divergent approaches. Proteomics '''8:''' 4123-4136 [http://www.ncbi.nlm.nih.gov/pubmed/18763711 PubMed]
−
# Ludwig, H., Meinken, C., Matin, A. & Stülke, J. (2002) Insufficient expression of the ilv-leu operon encoding enzymes of branched-chain amino acids biosynthesis limits growth of a ''Bacillus subtilis ccpA'' mutant. J. Bacteriol. 184: 5174-5178. [http://www.ncbi.nlm.nih.gov/sites/entrez/12193635 PubMed]
 
−
# Shivers RP, Sonenshein AL: Bacillus subtilis ilvB operon: an intersection of global regulons. Mol Microbiol 2005, 56:1549-1559. [http://www.ncbi.nlm.nih.gov/sites/entrez/15916605 PubMed]
 
−
# Tojo S, Satomura T, Morisaki K, Deutscher J, Hirooka K, Fujita Y: Elaborate transcription regulation of the Bacillus subtilis ilv-leu operon involved in the biosynthesis of branched-chain amino acids through global regulators of CcpA, CodY and TnrA. Mol Microbiol 2005, 56:1560-1573. [http://www.ncbi.nlm.nih.gov/sites/entrez/15916606 PubMed]
 
−
# Tojo S, Satomura T, Morisaki K, Yoshida KI, Hirooka K, Fujita Y: Negative transcriptional regulation of the ''ilv-leu'' operon for biosynthesis of branched-chain amino acids through the ''Bacillus subtilis'' global regulator TnrA. J Bacteriol 2004, 186:7971-7979. [http://www.ncbi.nlm.nih.gov/sites/entrez/15547269 PubMed]
 
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]
 
# Author1, Author2 & Author3 (year) Title ''Journal'' '''volume:''' page-page. [http://www.ncbi.nlm.nih.gov/sites/entrez/PMID PubMed]

Revision as of 12:48, 27 March 2009

  • Description: 2-isopropylmalate synthase

Gene name leuA
Synonyms
Essential no
Product 2-isopropylmalate synthase
Function biosynthesis of leucine
MW, pI 56 kDa, 5.657
Gene length, protein length 1554 bp, 518 aa
Immediate neighbours leuB, ilvC
Gene sequence (+200bp) Protein sequence
Genetic context
LeuA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

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

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation: expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose PubMed
  • Regulatory mechanism: glucose regulation: CcpA PubMed, repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination, transcription repression by CodY
  • Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

  1. Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 PubMed
  2. Hahne et al. (2008) From complementarity to comprehensiveness - targeting the membrane proteome of growing Bacillus subtilis by divergent approaches. Proteomics 8: 4123-4136 PubMed
  3. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed
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