Difference between revisions of "HutI"

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=Expression and regulation=
 
=Expression and regulation=
 
 
* '''Operon:''' ''[[hutP]]-[[hutH]]-[[hutU]]-[[hutI]]-[[hutG]]-[[hutM]]''  [http://www.ncbi.nlm.nih.gov/sites/entrez/10746760 PubMed]
 
* '''Operon:''' ''[[hutP]]-[[hutH]]-[[hutU]]-[[hutI]]-[[hutG]]-[[hutM]]''  [http://www.ncbi.nlm.nih.gov/sites/entrez/10746760 PubMed]
  
* '''[[Sigma factor]]:''' [[SigA]]
+
* '''[[Sigma factor]]:''' [[SigA]] {{PubMed|8071225}}
  
 
* '''Regulation:'''  
 
* '''Regulation:'''  
 +
** repressed by glucose ([[CcpA]]) {{PubMed|8071225}}
 +
** induced by histidine ([[HutP]]) {{PubMed|8071225}}
 +
** repressed during growth in the presence of branched chain amino acids ([[CodY]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/8682780 PubMed]
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
 +
** [[CcpA]]: transcription repression {{PubMed|8071225}}
 +
** [[CodY]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/8682780 PubMed]
 +
** [[HutP]]: transcriptional antitermination at a protein-dependent [[RNA switch]] located between ''[[hutP]]'' and ''[[hutH]]'' {{PubMed|8071225}}
  
 
* '''Additional information:'''
 
* '''Additional information:'''
Line 120: Line 125:
 
=References=
 
=References=
  
<pubmed>16672620,, </pubmed>
+
<pubmed>10746760 ,8071225,8682780  </pubmed>
  
 
[[Category:Protein-coding genes]]
 
[[Category:Protein-coding genes]]

Revision as of 19:06, 8 February 2010

  • Description: imidazolone-5-propionate hydrolase

Gene name hutI
Synonyms
Essential no
Product imidazolone-5-propionate hydrolase
Function histidine utilization
Metabolic function and regulation of this protein in SubtiPathways:
His
MW, pI 45 kDa, 5.215
Gene length, protein length 1263 bp, 421 aa
Immediate neighbours hutU, hutG
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
HutI context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU39370

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (S)-3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate + H2O = N-formimidoyl-L-glutamate + H+ (according to Swiss-Prot)
  • Protein family: hutI family (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)

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • repressed by glucose (CcpA) PubMed
    • induced by histidine (HutP) PubMed
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References