General Stability | Organism |
---|---|
2-mercaptoethanol stabilizes the enzyme | Salmonella enterica subsp. enterica serovar Typhimurium |
bovine serum albumin required to prevent inactivation | Salmonella enterica subsp. enterica serovar Typhimurium |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.00011 | - |
tRNAHis | - |
Salmonella enterica subsp. enterica serovar Typhimurium | |
0.025 | - |
His | aminoacylation | Salmonella enterica subsp. enterica serovar Typhimurium | |
0.14 | - |
ATP | - |
Salmonella enterica subsp. enterica serovar Typhimurium |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Salmonella enterica subsp. enterica serovar Typhimurium | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
5.087 | - |
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Storage Stability | Organism |
---|---|
-20°C, no loss of activity after 6 months | Salmonella enterica subsp. enterica serovar Typhimurium |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + L-histidine + tRNAHis | - |
Salmonella enterica subsp. enterica serovar Typhimurium | AMP + diphosphate + L-histidyl-tRNAHis | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | - |
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
---|---|---|---|
25 | 45 | 25°C: about 40% of maximal activity, 45°C: about 20% of maximal activity | Salmonella enterica subsp. enterica serovar Typhimurium |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.2 | 7.8 | Tris-HCl buffer | Salmonella enterica subsp. enterica serovar Typhimurium |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
6.5 | 7.8 | 6.5: about 40% of maximal activity, 7.2-7.8: maximal activity | Salmonella enterica subsp. enterica serovar Typhimurium |