PupG
- Description: purine nucleoside phosphorylase
| Gene name | punA |
| Synonyms | pnp, yqkO |
| Essential | no |
| Product | purine nucleoside phosphorylase |
| Function | purine salvage and interconversion |
| MW, pI | 28 kDa, 4.86 |
| Gene length, protein length | 813 bp, 271 aa |
| Immediate neighbours | dacF, drm |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
This image was kindly provided by SubtiList
| |
Contents
The gene
Basic information
- Locus tag:
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:
- Interactions:
- Localization: secreted (according to Swiss-Prot)
Database entries
- Structure:
- Swiss prot entry: P46354
- KEGG entry: BSU23490
- E.C. number: 2.4.2.1 2.7.7.8]
Additional information
Expression and regulation
- Operon:
- Regulation:
- Regulatory mechanism:
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
