Difference between revisions of "GlmS"

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(The glmS Ribozyme)
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=== Additional information===
 
=== Additional information===
 
 
 
  
 
=The protein=
 
=The protein=
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* '''Regulatory mechanism:''' ''glmS'' [[ribozyme]]: glucosamine 6-phosphate binds the leader mRNA, and a [[riboswitch]] with [[ribozyme]] activity cleaves off the ''[[glmS]]'' section from the mRNA, resulting in stopp of transcript elongation
 
* '''Regulatory mechanism:''' ''glmS'' [[ribozyme]]: glucosamine 6-phosphate binds the leader mRNA, and a [[riboswitch]] with [[ribozyme]] activity cleaves off the ''[[glmS]]'' section from the mRNA, resulting in stopp of transcript elongation
  
* '''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]
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* '''Additional information:'''  
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** 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]
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** A [[ncRNA]] is predicted between ''[[glmM]]'' and ''[[glmS]]'' {{PubMed|20525796}}
  
 
=Biological materials =
 
=Biological materials =
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==Other Original Publications==
 
==Other Original Publications==
<pubmed> 14343123 17981983 ,11160890, 18295797   </pubmed>
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<pubmed> 14343123 17981983 ,11160890, 18295797 20525796  </pubmed>
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 19:10, 4 May 2011

  • Description: glutamine-fructose-6-phosphate transaminase

Gene name glmS
Synonyms gcaA, ybxD
Essential yes PubMed
Product glutamine-fructose-6-phosphate transaminase
Function cell wall synthesis
Metabolic function and regulation of this protein in SubtiPathways:
Murein recycling
MW, pI 65 kDa, 4.796
Gene length, protein length 1800 bp, 600 aa
Immediate neighbours glmM, ybbU
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
GlmS context.gif
This image was kindly provided by SubtiList



Categories containing this gene/protein

cell wall synthesis, biosynthesis of cell wall components, essential genes

This gene is a member of the following regulons

glmS ribozyme

The gene

Basic information

  • Locus tag: BSU01780

Phenotypes of a mutant

essential PubMed

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: L-glutamine + D-fructose 6-phosphate = L-glutamate + D-glucosamine 6-phosphate (according to Swiss-Prot)
  • Protein family:
  • 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)

Database entries

  • Structure: 2VF4 (GlmS from E. coli, 39% identity, 58% similarity) PubMed
    • the ribozyme: 3G8S, 3G9C, 3G8T, 3G95, 3G96 (all for the ribozyme from Bacillus anthracis), 2HO7 (the ribozyme from Thermonanaerobacter tengcongensis)
  • KEGG entry: [2]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation:
    • repressed by glucosamine, N-acetylglucosamine, N-propionylglucosamine or N-formylglucosamine PubMed
    • glmS is only expressed in the absence of glucosamine 6-phosphate (glmS ribozyme)
  • Regulatory mechanism: glmS ribozyme: glucosamine 6-phosphate binds the leader mRNA, and a riboswitch with ribozyme activity cleaves off the glmS section from the mRNA, resulting in stopp of transcript elongation
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Wade Winkler, University of Texas, USA, Homepage

Your additional remarks

References

Reviews


The glmS Ribozyme


Other Original Publications