PurN

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  • Description: phosphoribosylglycinamide formyltransferase, irreversible

Gene name purN
Synonyms
Essential no
Product phosphoribosylglycinamide formyltransferase
Function purine biosynthesis
Metabolic function and regulation of this protein in SubtiPathways:
Purine synthesis, Nucleotides (regulation)
MW, pI 21 kDa, 6.182
Gene length, protein length 585 bp, 195 aa
Immediate neighbours purM, purH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
PurN context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PurN expression.png




























Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides

This gene is a member of the following regulons

G-box, PurR regulon

The gene

Basic information

  • Locus tag: BSU06510

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: 10-formyltetrahydrofolate + N(1)-(5-phospho-D-ribosyl)glycinamide = tetrahydrofolate + N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide (according to Swiss-Prot)
  • Protein family: GART family (according to Swiss-Prot)
  • Paralogous protein(s): YkkE

Extended information on the protein

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

Database entries

  • Structure: 3P9X (from B. halodurans, 51% identity, 70% similarity)
  • KEGG entry: [3]

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

Yu-He Liang, Xiang-Yu Liu, Juan Wang, Lan-Fen Li
Protein preparation, crystallization and preliminary crystallographic studies of Bacillus subtilis glycinamide ribonucleotide transformylase.
Acta Crystallogr Sect F Struct Biol Cryst Commun: 2009, 65(Pt 7);709-11
[PubMed:19574646] [WorldCat.org] [DOI] (I p)

Lars Engholm Johansen, Per Nygaard, Catharina Lassen, Yvonne Agersø, Hans H Saxild
Definition of a second Bacillus subtilis pur regulon comprising the pur and xpt-pbuX operons plus pbuG, nupG (yxjA), and pbuE (ydhL).
J Bacteriol: 2003, 185(17);5200-9
[PubMed:12923093] [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)

H H Saxild, J H Jacobsen, P Nygaard
Genetic and physiological characterization of a formate-dependent 5'-phosphoribosyl-1-glycinamide transformylase activity in Bacillus subtilis.
Mol Gen Genet: 1994, 242(4);415-20
[PubMed:8121396] [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)