Inhibitors | Comment | Organism | Structure |
---|---|---|---|
guanine | competitve against hypoxanthine | Saccharomyces cerevisiae | |
hypoxanthine | competitive against guanine | Saccharomyces cerevisiae |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.018 | - |
guanine | - |
Saccharomyces cerevisiae | |
0.023 | - |
hypoxanthine | - |
Saccharomyces cerevisiae | |
0.05 | - |
5-phospho-alpha-D-ribose 1-diphosphate | - |
Saccharomyces cerevisiae |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required | Saccharomyces cerevisiae | |
Mg2+ | maximal activity at: 1-10 mM | Saccharomyces cerevisiae |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
51000 | - |
gel filtration | Saccharomyces cerevisiae |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saccharomyces cerevisiae | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Saccharomyces cerevisiae |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Saccharomyces cerevisiae |
Storage Stability | Organism |
---|---|
-20°C, several months | Saccharomyces cerevisiae |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
guanine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Saccharomyces cerevisiae | GMP + diphosphate | - |
? | |
hypoxanthine + 5-phospho-alpha-D-ribose 1-diphosphate | - |
Saccharomyces cerevisiae | IMP + diphosphate | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 51000, SDS-PAGE | Saccharomyces cerevisiae |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8.5 | - |
- |
Saccharomyces cerevisiae |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5 | 9.5 | - |
Saccharomyces cerevisiae |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
preincubation for 10 min at pH 5.0 or pH 10.5 prior to enzyme assay at pH 8.5 does no affect the enzyme activity | Saccharomyces cerevisiae |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
0.018 | - |
guanine | - |
Saccharomyces cerevisiae | |
0.023 | - |
hypoxanthine | - |
Saccharomyces cerevisiae |