Difference between revisions of "HemL"

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(Expression and regulation)
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=Expression and regulation=
 
=Expression and regulation=
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* '''Operon:''' ''[[hemA]]-[[hemX]]-[[hemC]]-[[hemD]]-[[hemB]]-[[hemL]]'' {{PubMed|1672867}}
  
* '''Operon:'''
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* '''[[Sigma factor]]:''' [[SigA]] {{PubMed|1672867}}
 
 
* '''[[Sigma factor]]:'''  
 
  
 
* '''Regulation:'''  
 
* '''Regulation:'''  
** repressed in the absence of hydrogen peroxide ([[PerR]]) [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
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** induced by hydrogen peroxide ([[PerR]]) {{PubMed|11532148}}
  
 
* '''Regulatory mechanism:'''  
 
* '''Regulatory mechanism:'''  
** [[PerR]]: transcription repression [http://www.ncbi.nlm.nih.gov/sites/entrez/11532148 PubMed]
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** [[PerR]]: transcription repression {{PubMed|11532148}}
  
* '''Additional information:'''  
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* '''Additional information:'''
  
 
=Biological materials =
 
=Biological materials =

Revision as of 19:56, 13 December 2009

  • Description: glutamate-1-semialdehyde aminotransferase

Gene name hemL
Synonyms hemK
Essential no
Product glutamate-1-semialdehyde aminotransferase
Function heme biosynthesis
MW, pI 46 kDa, 5.055
Gene length, protein length 1290 bp, 430 aa
Immediate neighbours spoVID, hemB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
HemL context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU28120

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (S)-4-amino-5-oxopentanoate = 5-aminolevulinate (according to Swiss-Prot)
  • Protein family: HemL subfamily (according to Swiss-Prot)
  • Paralogous protein(s): GsaB

Extended information on the protein

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

Database entries

  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • 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

A F Herbig, J D Helmann
Roles of metal ions and hydrogen peroxide in modulating the interaction of the Bacillus subtilis PerR peroxide regulon repressor with operator DNA.
Mol Microbiol: 2001, 41(4);849-59
[PubMed:11532148] [WorldCat.org] [DOI] (P p)

Per Johansson, Lars Hederstedt
Organization of genes for tetrapyrrole biosynthesis in gram--positive bacteria.
Microbiology (Reading): 1999, 145 ( Pt 3);529-538
[PubMed:10217486] [WorldCat.org] [DOI] (P p)

M Hansson, L Rutberg, I Schröder, L Hederstedt
The Bacillus subtilis hemAXCDBL gene cluster, which encodes enzymes of the biosynthetic pathway from glutamate to uroporphyrinogen III.
J Bacteriol: 1991, 173(8);2590-9
[PubMed:1672867] [WorldCat.org] [DOI] (P p)