Difference between revisions of "Sandbox"

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−
* '''Description:''' transcriptional repressor of the beta-galactosidase gene <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'''
−
|''lacR''
+
|''leuA''
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || ''yvfJ ''
+
|style="background:#ABCDEF;" align="center"| '''Synonyms''' || '' ''
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Product''' || transcriptional repressor (LacI family)
+
|style="background:#ABCDEF;" align="center"| '''Product''' || 2-isopropylmalate synthase
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Function''' || unknown
+
|style="background:#ABCDEF;" align="center"|'''Function''' || biosynthesis of leucine
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 37 kDa, 5.396  
+
|style="background:#ABCDEF;" align="center"| '''MW, pI''' || 56 kDa, 5.657  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 990 bp, 330 aa  
+
|style="background:#ABCDEF;" align="center"| '''Gene length, protein length''' || 1554 bp, 518 aa  
 
|-
 
|-
−
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[cycB]]'', ''[[lutR]]''
+
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[leuB]]'', ''[[ilvC]]''
 
|-
 
|-
−
|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB15422&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
+
|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB14788&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
 
|-
 
|-
−
|colspan="2" | '''Genetic context''' <br/> [[Image:lacR_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>
 
|-
 
|-
Line 35: Line 35:
 
=== Basic information ===
 
=== Basic information ===
  
−
* '''Locus tag:''' BSU34170
+
* '''Locus tag:''' BSU28280
  
 
===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
Line 41: Line 41:
 
=== Database entries ===
 
=== Database entries ===
  
−
* '''DBTBS entry:''' no entry
+
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/ilvBHC-leuABCD.html]
  
−
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG12435]
+
* '''SubtiList entry:''' [http://genolist.pasteur.fr/SubtiList/genome.cgi?gene_detail+BG11948]
  
 
=== Additional information===
 
=== Additional information===
Line 52: Line 52:
 
=== Basic information/ Evolution ===
 
=== Basic information/ Evolution ===
  
−
* '''Catalyzed reaction/ biological activity:'''  
+
* '''Catalyzed reaction/ biological activity:''' Acetyl-CoA + 3-methyl-2-oxobutanoate + H<sub>2</sub>O = (2S)-2-isopropylmalate + CoA (according to Swiss-Prot)
  
−
* '''Protein family:'''
+
* '''Protein family:''' LeuA type 1 subfamily (according to Swiss-Prot)
  
 
* '''Paralogous protein(s):'''
 
* '''Paralogous protein(s):'''
Line 72: Line 72:
 
* '''Interactions:'''
 
* '''Interactions:'''
  
−
* '''Localization:'''
+
* '''Localization:''' cytoplasm (according to Swiss-Prot),  membrane [http://www.ncbi.nlm.nih.gov/pubmed/18763711 PubMed]
  
 
=== Database entries ===
 
=== Database entries ===
Line 78: Line 78:
 
* '''Structure:'''
 
* '''Structure:'''
  
−
* '''Swiss prot entry:'''
+
* '''Swiss prot entry:''' [http://www.uniprot.org/uniprot/P94565 P94565]
  
−
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU34170]
+
* '''KEGG entry:''' [http://www.genome.jp/dbget-bin/www_bget?bsu+BSU28280]
  
−
* '''E.C. number:'''
+
* '''E.C. number:''' [http://www.expasy.org/enzyme/2.3.3.13 2.3.3.13]
  
 
=== 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]
 
=Expression and regulation=
 
=Expression and regulation=
  
−
* '''Operon:'''  
+
* '''Operon:''' ''[[ilvB]]-[[ilvH]]-[[ilvC]]-[[leuA]]-[[leuB]]-[[leuC]]-[[leuD]]'' [http://www.ncbi.nlm.nih.gov/sites/entrez/1577690 PubMed]
  
−
* '''[[Sigma factor]]:'''  
+
* '''[[Sigma factor]]:''' [[SigA]] [http://www.ncbi.nlm.nih.gov/sites/entrez/1577690 PubMed]
  
−
* '''Regulation:'''  
+
* '''Regulation:''' repressed by casamino acids [http://www.ncbi.nlm.nih.gov/pubmed/12107147 PubMed] ,  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], repressed by [[CodY]] [http://www.ncbi.nlm.nih.gov/sites/entrez/12618455 PubMed]
  
−
* '''Regulatory mechanism:'''  
+
* '''Regulatory mechanism:''' [[CodY]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/12618455 PubMed], 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
  
−
* '''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]
  
 
=Biological materials =
 
=Biological materials =
  
−
* '''Mutant:'''  
+
* '''Mutant:'''
  
 
* '''Expression vector:'''
 
* '''Expression vector:'''
Line 118: Line 119:
 
=References=
 
=References=
  
−
<pubmed>9287030, </pubmed>
+
<pubmed>12107147 18763711, </pubmed>
−
# Daniel RA, Haiech J, Denizot F, Errington J. (1997) Isolation and characterization of the ''lacA'' gene encoding beta-galactosidase in ''Bacillus subtilis'' and a regulator gene, ''lacR''. J. Bacteriol. 179:5636-5638. [http://www.ncbi.nlm.nih.gov/sites/entrez/9287030 PubMed]
+
# M&#228;der et al. (2002) Transcriptome and Proteome Analysis of ''Bacillus subtilis'' Gene Expression Modulated by Amino Acid Availability. ''J. Bacteriol'' '''184:''' 1844288-4295 [http://www.ncbi.nlm.nih.gov/pubmed/12107147 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]
 +
# 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]
 
# 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 13:21, 8 June 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
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
LeuA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU28280

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Acetyl-CoA + 3-methyl-2-oxobutanoate + H2O = (2S)-2-isopropylmalate + CoA (according to Swiss-Prot)
  • Protein family: LeuA type 1 subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation: repressed by casamino acids PubMed , expressed in the absence of branched-chain amino acids (BCAA), expression is stimulated in the presence of glucose PubMed, repressed by CodY PubMed
  • Regulatory mechanism: CodY: transcription repression PubMed, glucose regulation: CcpA PubMed, repression by BCAA: tRNA-controlled RNA switch (T-box) that mediates termination/antitermination
  • 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

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [WorldCat.org] [DOI] (P p)

  1. Mäder et al. (2002) Transcriptome and Proteome Analysis of Bacillus subtilis Gene Expression Modulated by Amino Acid Availability. J. Bacteriol 184: 1844288-4295 PubMed
  2. Gerth et al. (2008) Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis. J Bacteriol 190:321-331 PubMed
  3. Hahne et al. (2008) From complementarity to comprehensiveness - targeting the membrane proteome of growing Bacillus subtilis by divergent approaches. Proteomics 8: 4123-4136 PubMed
  4. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed
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