Activating Compound | Comment | Organism | Structure |
---|---|---|---|
spermine | A 2-fold increase in enzyme activity is observed when 1.25 mM spermine is included in the reaction mixture. | Saccharolobus solfataricus |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | inhibited at concentrations greater than 7.5 mM | Saccharolobus solfataricus | |
NH4+ | inhibited at ammonium concentrations greater than 100 mM in the presence of 7.5 mM MgC12 | Saccharolobus solfataricus |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00025 | - |
tRNA | pH 7.5, 77°C | Saccharolobus solfataricus |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | optimally at 7.5 mM | Saccharolobus solfataricus |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
400000 | - |
gel exclusion chromatography | Saccharolobus solfataricus |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
precursor tRNA + H2O | Saccharolobus solfataricus | ribonuclease P is the endonuclease that removes the leader fragments from the 5'-ends of precursor tRNAs | 77- and 35-RNA fragments | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saccharolobus solfataricus | - |
- |
- |
Purification (Comment) | Organism |
---|---|
RNase P from Sulfolubus solfataricus is purified 800fold by Trisacryl-DEAE, and Sepharose CL-6B chromatographies and Cs2S04 buoyant density centrifugation | Saccharolobus solfataricus |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
precursor tRNA + H2O | ribonuclease P is the endonuclease that removes the leader fragments from the 5'-ends of precursor tRNAs | Saccharolobus solfataricus | 77- and 35-RNA fragments | - |
? | |
tRNA + H2O | - |
Saccharolobus solfataricus | ? | - |
? |
Synonyms | Comment | Organism |
---|---|---|
ribonuclease P | - |
Saccharolobus solfataricus |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
77 | - |
The temperature optimum for the reaction is 77 °C, reflecting the thermophilic character of the organism | Saccharolobus solfataricus |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.5 | - |
- |
Saccharolobus solfataricus |