General Stability | Organism |
---|---|
activity retained after freezing and thawing | Tetrahymena pyriformis |
buffers containing 20% glycerol stabilize the enzyme | Tetrahymena pyriformis |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.024 | - |
ribose 5-phosphate | - |
Tetrahymena pyriformis | |
0.071 | - |
Uracil | - |
Tetrahymena pyriformis |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required, broad maximal activity between 0.01 M and 0.05 M | Tetrahymena pyriformis |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Tetrahymena pyriformis | - |
- |
- |
Purification (Comment) | Organism |
---|---|
partial | Tetrahymena pyriformis |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
13.2 | - |
- |
Tetrahymena pyriformis |
Storage Stability | Organism |
---|---|
-20°C, stable for 1 year without loss of activity | Tetrahymena pyriformis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-thiouracil + D-ribose 5-phosphate | - |
Tetrahymena pyriformis | ? | - |
? | |
isocytosine + D-ribose 5-phosphate | - |
Tetrahymena pyriformis | ? | - |
? | |
uracil + D-ribose 5-phosphate | - |
Tetrahymena pyriformis | pseudouridine 5'-phosphate + H2O | - |
? | |
uracil + ribose 5-phosphate | r | Tetrahymena pyriformis | 5-ribosyluracil 5'-monophosphate + H2O | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
- |
Tetrahymena pyriformis |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
24 | 37 | about 50% of maximal activity at 25°C and about 30% of maximal activity at 37°C | Tetrahymena pyriformis |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 8.5 | - |
Tetrahymena pyriformis |