Difference between revisions of "PupG"

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|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[dacF]]'', ''[[drm]]''
|style="background:#ABCDEF;" align="center"|'''Immediate neighbours''' || ''[[dacF]]'', ''[[drm]]''
|style="background:#FAF8CC;" align="center"|'''Sequences'''||[http://bsubcyc.org/BSUB/sequence-aa?type=GENE&object=BSU23490 Protein] [http://bsubcyc.org/BSUB/sequence?type=GENE&object=BSU23490 DNA] [http://bsubcyc.org/BSUB/seq-selector?chromosome=CHROM-1&object=BSU23490 Advanced_DNA]
|style="background:#FAF8CC;" align="center"|'''Sequences'''||[http://bsubcyc.org/BSUB/sequence-aa?type=GENE&object=BSU23490 Protein] [http://bsubcyc.org/BSUB/sequence?type=GENE&object=BSU23490 DNA] [http://bsubcyc.org/BSUB/seq-selector?chromosome=CHROM-1&object=BSU23490 DNA_with_flanks]
|colspan="2" | '''Genetic context''' <br/> [[Image:punA_context.gif]]
|colspan="2" | '''Genetic context''' <br/> [[Image:punA_context.gif]]

Revision as of 11:38, 14 May 2013

  • Description: purine nucleoside phosphorylase

Gene name pupG
Synonyms punA, pnp, yqkO
Essential no
Product purine nucleoside phosphorylase
Function purine salvage and interconversion
Gene expression levels in SubtiExpress: pupG
Metabolic function and regulation of this protein in SubtiPathways:
Purine salvage, Nucleoside catabolism, Nucleotides (regulation)
MW, pI 28 kDa, 4.86
Gene length, protein length 813 bp, 271 aa
Immediate neighbours dacF, drm
Sequences Protein DNA DNA_with_flanks
Genetic context
PunA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
PupG expression.png

Categories containing this gene/protein

biosynthesis/ acquisition of nucleotides, phosphoproteins

This gene is a member of the following regulons

CcpA regulon

The gene

Basic information

  • Locus tag: BSU23490

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Purine nucleoside + phosphate = purine + alpha-D-ribose 1-phosphate (according to Swiss-Prot) RNA(n+1) + phosphate = RNA(n) + a nucleoside diphosphate (according to Swiss-Prot)
  • Protein family: PNP/MTAP phosphorylase family (according to Swiss-Prot) polyribonucleotide nucleotidyltransferase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylation on Ser-28 PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • induced in the presence of nucleosides (deoxyribose 5-phosphate and ribose 5-phosphate act as molecular inducers) PubMed
    • subject to carbon catabolite repression (CcpA) 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


Bogumiła C Marciniak, Monika Pabijaniak, Anne de Jong, Robert Dűhring, Gerald Seidel, Wolfgang Hillen, Oscar P Kuipers
High- and low-affinity cre boxes for CcpA binding in Bacillus subtilis revealed by genome-wide analysis.
BMC Genomics: 2012, 13;401
[PubMed:22900538] [WorldCat.org] [DOI] (I e)

Boris Macek, Ivan Mijakovic, Jesper V Olsen, Florian Gnad, Chanchal Kumar, Peter R Jensen, Matthias Mann
The serine/threonine/tyrosine phosphoproteome of the model bacterium Bacillus subtilis.
Mol. Cell Proteomics: 2007, 6(4);697-707
[PubMed:17218307] [WorldCat.org] [DOI] (P p)

R Schuch, A Garibian, H H Saxild, P J Piggot, P Nygaard
Nucleosides as a carbon source in Bacillus subtilis: characterization of the drm-pupG operon.
Microbiology (Reading, Engl.): 1999, 145 ( Pt 10);2957-66
[PubMed:10537218] [WorldCat.org] [DOI] (P p)