Inhibitors | Comment | Organism | Structure |
---|---|---|---|
AMP | - |
Schizosaccharomyces pombe | |
CDP | - |
Schizosaccharomyces pombe | |
diphosphate | - |
Schizosaccharomyces pombe | |
GDP | - |
Schizosaccharomyces pombe | |
GMP | - |
Schizosaccharomyces pombe | |
GTP | - |
Schizosaccharomyces pombe | |
IDP | - |
Schizosaccharomyces pombe | |
IMP | - |
Schizosaccharomyces pombe | |
ITP | weak | Schizosaccharomyces pombe | |
Mg2+ | inhibitory effects are noncompetitive against 5-phosphoribose 1-diphosphate | Schizosaccharomyces pombe | |
additional information | mechanism of product inhibition; no inhibition by ADP, ATP, dAMP, UMP, and UTP | Schizosaccharomyces pombe | |
UDP | weak | Schizosaccharomyces pombe | |
XMP | - |
Schizosaccharomyces pombe |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.028 | - |
guanine | - |
Schizosaccharomyces pombe | |
0.1 | - |
5-phospho-alpha-D-ribose 1-diphosphate | - |
Schizosaccharomyces pombe |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | absolute requirement | Schizosaccharomyces pombe | |
Mg2+ | maximal activity at: 0.5-1 mM MgCl2 | Schizosaccharomyces pombe |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
42000 | - |
gel filtration in presence of MgCl2 | Schizosaccharomyces pombe |
48000 | - |
gel filtration in absence of MgCl2 | Schizosaccharomyces pombe |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Schizosaccharomyces pombe | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Schizosaccharomyces pombe |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
5.75 | - |
- |
Schizosaccharomyces pombe |
Storage Stability | Organism |
---|---|
-20°C, purified enzyme, 6 mM 5-phospho-alpha-D-ribose 1-diphosphate, 2 mM MgCl2, stable for at least a month | Schizosaccharomyces pombe |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
guanine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Schizosaccharomyces pombe | GMP + diphosphate | - |
? | |
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Schizosaccharomyces pombe | IMP + diphosphate | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | - |
1.5 mM GMP, 10 min, complete loss of activity | Schizosaccharomyces pombe |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.6 | 8 | 2 zones of pH-optima: pH 7.6-8.0 and pH 9.2-9.5 | Schizosaccharomyces pombe |
9.2 | 9.5 | 2 zones of pH-optima: pH 7.6-8.0 and pH 9.2-9.5 | Schizosaccharomyces pombe |