GalE

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  • Description: UDP glucose 4-epimerase

Gene name galE
Synonyms
Essential no
Product UDP glucose 4-epimerase
Function galactose utilization
Gene expression levels in SubtiExpress: galE
Metabolic function and regulation of this protein in SubtiPathways:
galE
MW, pI 36 kDa, 4.776
Gene length, protein length 1017 bp, 339 aa
Immediate neighbours yxkC, yxkA
Sequences Protein DNA DNA_with_flanks
Genetic context
GalE context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
GalE expression.png



















Categories containing this gene/protein

utilization of specific carbon sources, biofilm formation

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU38860

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: UDP-glucose = UDP-galactose (according to Swiss-Prot)
  • Protein family: sugar epimerase family (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: 1LRL (from Escherichia coli Y299C mutant, 57% identity, 71% similarity) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • strongly repressed in response to glucose starvation in M9 medium PubMed
  • 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

Imke G de Jong, Jan-Willem Veening, Oscar P Kuipers
Single cell analysis of gene expression patterns during carbon starvation in Bacillus subtilis reveals large phenotypic variation.
Environ Microbiol: 2012, 14(12);3110-21
[PubMed:23033921] [WorldCat.org] [DOI] (I p)

Yunrong Chai, Pascale B Beauregard, Hera Vlamakis, Richard Losick, Roberto Kolter
Galactose metabolism plays a crucial role in biofilm formation by Bacillus subtilis.
mBio: 2012, 3(4);e00184-12
[PubMed:22893383] [WorldCat.org] [DOI] (I e)

Eric R Pozsgai, Kris M Blair, Daniel B Kearns
Modified mariner transposons for random inducible-expression insertions and transcriptional reporter fusion insertions in Bacillus subtilis.
Appl Environ Microbiol: 2012, 78(3);778-85
[PubMed:22113911] [WorldCat.org] [DOI] (I p)

Blazenka Soldo, Claudio Scotti, Dimitri Karamata, Vladimir Lazarevic
The Bacillus subtilis Gne (GneA, GalE) protein can catalyse UDP-glucose as well as UDP-N-acetylglucosamine 4-epimerisation.
Gene: 2003, 319;65-9
[PubMed:14597172] [WorldCat.org] [DOI] (P p)

O Krispin, R Allmansberger
The Bacillus subtilis galE gene is essential in the presence of glucose and galactose.
J Bacteriol: 1998, 180(8);2265-70
[PubMed:9555917] [WorldCat.org] [DOI] (P p)