Difference between revisions of "MtnE"

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* '''Description:''' aminotransferase <br/><br/>
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* '''Description:''' glutamine transaminase <br/><br/>
  
 
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{| align="right" border="1" cellpadding="2"  
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|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|style="background:#ABCDEF;" align="center"| '''Essential''' || no  
 
|-
 
|-
|style="background:#ABCDEF;" align="center"| '''Product''' || aminotransferase
+
|style="background:#ABCDEF;" align="center"| '''Product''' || glutamine transaminase
 
|-
 
|-
 
|style="background:#ABCDEF;" align="center"|'''Function''' || methionine salvage
 
|style="background:#ABCDEF;" align="center"|'''Function''' || methionine salvage
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<br/><br/><br/><br/>
 
<br/><br/><br/><br/>
 
<br/><br/><br/><br/>
 
<br/><br/><br/><br/>
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<br/><br/>
<br/><br/><br/><br/>
 
 
 
 
 
<br/><br/><br/><br/><br/><br/>
 
  
 
= [[Categories]] containing this gene/protein =
 
= [[Categories]] containing this gene/protein =
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===Phenotypes of a mutant ===
 
===Phenotypes of a mutant ===
 +
* reduced growth with 5-methylthioribose as single sulfur source {{PubMed|24837359}}
  
 
=== Database entries ===
 
=== Database entries ===
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=== Additional information===
 
=== Additional information===
 
 
 
  
 
=The protein=
 
=The protein=
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* '''Catalyzed reaction/ biological activity:'''  
 
* '''Catalyzed reaction/ biological activity:'''  
 +
** 2-ketomethylthiobutyrate + glutamine ---> 2-ketoglutaramate + methionine {{PubMed|24837359}}
  
 
* '''Protein family:''' MtnE subfamily (according to Swiss-Prot)
 
* '''Protein family:''' MtnE subfamily (according to Swiss-Prot)
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=References=
 
=References=
  
<pubmed>12670965,15102328 12022921 </pubmed>
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<pubmed>12670965,15102328 12022921 24837359 </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 08:51, 21 May 2014

  • Description: glutamine transaminase

Gene name mtnE
Synonyms ykrV
Essential no
Product glutamine transaminase
Function methionine salvage
Gene expression levels in SubtiExpress: mtnE
Metabolic function and regulation of this protein in SubtiPathways:
mtnE
MW, pI 43 kDa, 4.912
Gene length, protein length 1194 bp, 398 aa
Immediate neighbours mtnU, mtnW
Sequences Protein DNA DNA_with_flanks
Genetic context
YkrV context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MtnE expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU13580

Phenotypes of a mutant

  • reduced growth with 5-methylthioribose as single sulfur source PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • 2-ketomethylthiobutyrate + glutamine ---> 2-ketoglutaramate + methionine PubMed
  • Protein family: MtnE subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

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

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • Additional information:
    • number of protein molecules per cell (minimal medium with glucose and ammonium): 330 PubMed
    • number of protein molecules per cell (complex medium with amino acids, without glucose): 287 PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

Kenneth W Ellens, Lynn G L Richardson, Océane Frelin, Joseph Collins, Cintia Leite Ribeiro, Yih-Feng Hsieh, Robert T Mullen, Andrew D Hanson
Evidence that glutamine transaminase and omega-amidase potentially act in tandem to close the methionine salvage cycle in bacteria and plants.
Phytochemistry: 2015, 113;160-9
[PubMed:24837359] [WorldCat.org] [DOI] (I p)

Agnieszka Sekowska, Valérie Dénervaud, Hiroki Ashida, Karine Michoud, Dieter Haas, Akiho Yokota, Antoine Danchin
Bacterial variations on the methionine salvage pathway.
BMC Microbiol: 2004, 4;9
[PubMed:15102328] [WorldCat.org] [DOI] (I e)

Bradley J Berger, Shane English, Gene Chan, Marvin H Knodel
Methionine regeneration and aminotransferases in Bacillus subtilis, Bacillus cereus, and Bacillus anthracis.
J Bacteriol: 2003, 185(8);2418-31
[PubMed:12670965] [WorldCat.org] [DOI] (P p)

Agnieszka Sekowska, Antoine Danchin
The methionine salvage pathway in Bacillus subtilis.
BMC Microbiol: 2002, 2;8
[PubMed:12022921] [WorldCat.org] [DOI] (I e)