Dxs

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  • Description: 1-deoxyxylulose-5-phosphate synthase

Gene name dxs
Synonyms yqiE
Essential yes PubMed
Product 1-deoxyxylulose-5-phosphate synthase
Function biosynthesis of thiamine
MW, pI 69 kDa, 6.002
Gene length, protein length 1899 bp, 633 aa
Immediate neighbours yqxC, yqiD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
Dxs context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU24270

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Pyruvate + D-glyceraldehyde 3-phosphate = 1-deoxy-D-xylulose 5-phosphate + CO2 (according to Swiss-Prot)
  • Protein family: DXPS subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure: 2O1S (from E. coli, 44% identity, 62% similarity) PubMed
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Operon:
  • Regulation:
    • RelA dependent downregulation (Class I) during stringent response 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

Reviews

Original publications

Song Xiang, Gerlinde Usunow, Gudrun Lange, Marco Busch, Liang Tong
Crystal structure of 1-deoxy-D-xylulose 5-phosphate synthase, a crucial enzyme for isoprenoids biosynthesis.
J Biol Chem: 2007, 282(4);2676-82
[PubMed:17135236] [WorldCat.org] [DOI] (P p)

Akihiro Sakai, Natsumi Kinoshita, Makoto Kita, Tohoru Katsuragi, Yoshiki Tani
Investigation of 1-deoxy-D-xylulose 5-phosphate synthase and transketolase of Bacillus subtilis in relation to vitamin B6 biosynthesis.
J Nutr Sci Vitaminol (Tokyo): 2003, 49(1);73-5
[PubMed:12882400] [WorldCat.org] [DOI] (P p)