Difference between revisions of "AhrC"

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|style="background:#ABCDEF;" align="center"|'''Function''' || transcriptional regulator of arginine metabolic genes
 
|style="background:#ABCDEF;" align="center"|'''Function''' || transcriptional regulator of arginine metabolic genes
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://cellpublisher.gobics.de/subtiexpress/ ''Subti''Express]''': [http://cellpublisher.gobics.de/subtiexpress/bsu/BSU24250 ahrC]
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Gene expression levels in [http://subtiwiki.uni-goettingen.de/apps/expression/ ''Subti''Express]''': [http://subtiwiki.uni-goettingen.de/apps/expression/expression.php?search=BSU24250 ahrC]
 
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|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/glutamate.html Ammonium/ glutamate]'''
 
|colspan="2" style="background:#FAF8CC;" align="center"| '''Metabolic function and regulation of this protein in [[SubtiPathways|''Subti''Pathways]]: <br/>[http://subtiwiki.uni-goettingen.de/pathways/glutamate.html Ammonium/ glutamate]'''
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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[recN]]'', ''[[yqxC]]''
 
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[recN]]'', ''[[yqxC]]''
 
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|colspan="2" style="background:#FAF8CC;" align="center"|'''Get the DNA and protein [http://srs.ebi.ac.uk/srsbin/cgi-bin/wgetz?-e+&#91;EMBLCDS:CAB14356&#93;+-newId sequences] <br/> (Barbe ''et al.'', 2009)'''
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|style="background:#FAF8CC;" align="center"|'''Sequences'''||[http://bsubcyc.org/BSUB/sequence-aa?type=GENE&object=BSU24250 Protein] [http://bsubcyc.org/BSUB/sequence?type=GENE&object=BSU24250 DNA] [http://bsubcyc.org/BSUB/seq-selector?chromosome=CHROM-1&object=BSU24250 Advanced_DNA]
 
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|colspan="2" | '''Genetic context''' <br/> [[Image:ahrC_context.gif]]
 
|colspan="2" | '''Genetic context''' <br/> [[Image:ahrC_context.gif]]

Revision as of 13:15, 13 May 2013

  • Description: AhrC represses the genes for arginine biosynthesis and activates the genes for arginine catabolism.

Gene name ahrC
Synonyms argR
Essential no
Product transcriptional regulator
Function transcriptional regulator of arginine metabolic genes
Gene expression levels in SubtiExpress: ahrC
Metabolic function and regulation of this protein in SubtiPathways:
Ammonium/ glutamate
MW, pI 16,7 kDa, 5.52
Gene length, protein length 447 bp, 149 amino acids
Immediate neighbours recN, yqxC
Sequences Protein DNA Advanced_DNA
Genetic context
AhrC context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
AhrC expression.png



















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, glutamate metabolism, utilization of amino acids, transcription factors and their control

This gene is a member of the following regulons

SR1 regulon

The AhrC regulon

The gene

Basic information

  • Locus tag: BSU24250

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: transcriptional activator/ repressor of genes involved in arginine metabolism
  • Protein family: argR family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s): L-arginine is the co-factor required for transcription repression/ activation
  • Effectors of protein activity:

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Sigma factor:
  • Regulatory mechanism:
    • inhibtion of translation upon binding of sr1 to the ahrC mRNA PubMed
  • Additional information:

Biological materials

  • Mutant: GP729 (aphA3), available in Stülke lab
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • Antibody:

Labs working on this gene/protein

Simon Phillips, Leeds University, UK Homepage

Michel Debarbouille, Pasteur Institute, Paris, France Homepage

Your additional remarks

References

Additional publications: PubMed