ProH

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  • Description: pyrroline-5-carboxylate reductase

Gene name proH
Synonyms yoxE
Essential no
Product pyrroline-5-carboxylate reductase
Function osmoadaptive de novo production of proline
Gene expression levels in SubtiExpress: proH
Metabolic function and regulation of this protein in SubtiPathways:
Pro, Stress
MW, pI 31 kDa, 7.754
Gene length, protein length 891 bp, 297 aa
Immediate neighbours proJ, rtp
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
ProH context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
ProH expression.png




























Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, coping with hyper-osmotic stress

This gene is a member of the following regulons

The gene

Basic information

  • Locus tag: BSU18480

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: L-proline + NAD(P)+ = 1-pyrroline-5-carboxylate + NAD(P)H (according to Swiss-Prot)
  • Protein family: glutamate 5-kinase family (according to Swiss-Prot)
  • Paralogous protein(s): ProI

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Regulation:
    • expressed under conditions of osmotic stress PubMed
    • induced by cold stress 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

Additional publications: PubMed

Tamara Hoffmann, Erhard Bremer
Protection of Bacillus subtilis against cold stress via compatible-solute acquisition.
J Bacteriol: 2011, 193(7);1552-62
[PubMed:21296969] [WorldCat.org] [DOI] (I p)

B R Belitsky, J Brill, E Bremer, A L Sonenshein
Multiple genes for the last step of proline biosynthesis in Bacillus subtilis.
J Bacteriol: 2001, 183(14);4389-92
[PubMed:11418582] [WorldCat.org] [DOI] (P p)