PurS

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  • Description: phosphoribosylformylglycinamidine synthase

Gene name purS
Synonyms yexA
Essential no
Product phosphoribosylformylglycinamidine synthase
Function purine biosynthesis
Metabolic function and regulation of this protein in SubtiPathways:
Purine synthesis, Nucleotides (regulation), Stress
MW, pI 9 kDa, 4.594
Gene length, protein length 252 bp, 84 aa
Immediate neighbours purC, purQ
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PurS context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU06460

Phenotypes of a mutant

Database entries

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

Additional information

Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: UPF0062 family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • repressed in the presence of purine nucleotides (PurR) PubMed
    • repressed in the presence of adenine or adenosine(PurR) PubMed
    • repressed in the presence of guanine(G-box) 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

Ruchi Anand, Aaron A Hoskins, Eric M Bennett, Michael D Sintchak, JoAnne Stubbe, Steven E Ealick
A model for the Bacillus subtilis formylglycinamide ribonucleotide amidotransferase multiprotein complex.
Biochemistry: 2004, 43(32);10343-52
[PubMed:15301532] [WorldCat.org] [DOI] (P p)

Aaron A Hoskins, Ruchi Anand, Steven E Ealick, JoAnne Stubbe
The formylglycinamide ribonucleotide amidotransferase complex from Bacillus subtilis: metabolite-mediated complex formation.
Biochemistry: 2004, 43(32);10314-27
[PubMed:15301530] [WorldCat.org] [DOI] (P p)

Hans H Saxild, Per Nygaard
The yexA gene product is required for phosphoribosylformylglycinamidine synthetase activity in Bacillus subtilis.
Microbiology (Reading): 2000, 146 ( Pt 4);807-814
[PubMed:10784038] [WorldCat.org] [DOI] (P p)

M Weng, P L Nagy, H Zalkin
Identification of the Bacillus subtilis pur operon repressor.
Proc Natl Acad Sci U S A: 1995, 92(16);7455-9
[PubMed:7638212] [WorldCat.org] [DOI] (P p)

D J Ebbole, H Zalkin
Cloning and characterization of a 12-gene cluster from Bacillus subtilis encoding nine enzymes for de novo purine nucleotide synthesis.
J Biol Chem: 1987, 262(17);8274-87
[PubMed:3036807] [WorldCat.org] (P p)