Prs

• Description: phosphoribosylpyrophosphate synthetase, universally conserved protein
  
  

Gene name	prs
Synonyms
Essential	yes PubMed
Product	phosphoribosylpyrophosphate synthetase
Function	phosphoribosylpyrophosphate synthesis (biosynthesis of histidine)
Gene expression levels in SubtiExpress: prs
Interactions involving this protein in SubtInteract: Prs
Metabolic function and regulation of this protein in SubtiPathways: Purine synthesis, Nucleotides (regulation), His, Murein recycling
MW, pI	34 kDa, 5.895
Gene length, protein length	951 bp, 317 aa
Immediate neighbours	gcaD, ctc
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, biosynthesis/ acquisition of nucleotides, essential genes, universally conserved proteins

This gene is a member of the following regulons

stringent response

The gene

Basic information

• Locus tag: BSU00510

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + D-ribose 5-phosphate = AMP + 5-phospho-alpha-D-ribose 1-diphosphate (according to Swiss-Prot)

• Protein family: ribose-phosphate pyrophosphokinase family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:
  • subject to feedback inhibition by two end products of purine biosynthesis, adenosine 5'-diphosphate (ADP) and guanosine 5'-diphosphate (GDP) PubMed

• Interactions: PurR-Prs

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 1IBS

• UniProt: P14193

• KEGG entry: [3]

• E.C. number: 2.7.6.1

Additional information

universally conserved protein

Expression and regulation

• Operon: gcaD-prs-ctc PubMed

• Expression browser: prs PubMed

• Sigma factor: SigA PubMed

• 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:

References

Additional publications: PubMed

Shuobo Shi, Tao Chen, Zhigang Zhang, Xun Chen, Xueming Zhao
Transcriptome analysis guided metabolic engineering of Bacillus subtilis for riboflavin production.
Metab Eng: 2009, 11(4-5);243-52
[PubMed:19446032] [WorldCat.org] [DOI] (I p)

Aloke Kumar Bera, Jianghai Zhu, Howard Zalkin, Janet L Smith
Functional dissection of the Bacillus subtilis pur operator site.
J Bacteriol: 2003, 185(14);4099-109
[PubMed:12837784] [WorldCat.org] [DOI] (P p)

Sangita C Sinha, Joseph Krahn, Byung Sik Shin, Diana R Tomchick, Howard Zalkin, Janet L Smith
The purine repressor of Bacillus subtilis: a novel combination of domains adapted for transcription regulation.
J Bacteriol: 2003, 185(14);4087-98
[PubMed:12837783] [WorldCat.org] [DOI] (P p)

I Hilden, B N Krath, B Hove-Jensen
Tricistronic operon expression of the genes gcaD (tms), which encodes N-acetylglucosamine 1-phosphate uridyltransferase, prs, which encodes phosphoribosyl diphosphate synthetase, and ctc in vegetative cells of Bacillus subtilis.
J Bacteriol: 1995, 177(24);7280-4
[PubMed:8522540] [WorldCat.org] [DOI] (P p)

K Arnvig, B Hove-Jensen, R L Switzer
Purification and properties of phosphoribosyl-diphosphate synthetase from Bacillus subtilis.
Eur J Biochem: 1990, 192(1);195-200
[PubMed:2169413] [WorldCat.org] [DOI] (P p)