Protein Variants | Comment | Organism |
---|---|---|
P214A | the turnover-number is 1.5fold lower than the wild-type value, the Km-value for Ser is 2.1fold lower than the wild-type value, The Km-value for tetrahydropteroylglutamate is 1.3fold higher than the wild-type value, Tm-value in absence of Ser is 3.5°C lower than the wild-type Tm-value. The Tm-value in presence of Ser is 4°C higher than the wild-type value | Escherichia coli |
P214G | the turnover-number is 1.5fold lower than the wild-type value, the Km-value for Ser is 1.3fold lower than the wild-type value, The Km-value for tetrahydropteroylglutamate is 1.3fold higher than the wild-type value | Escherichia coli |
P216A | the turnover-number is 1.5fold lower than the wild-type value, the Km-value for Ser is 1.2fold lower than the wild-type value. The Km-value for tetrahydropteroylglutamate is 1.3fold higher than the wild-type value, Tm-value in absence of Ser is 3.5°C higher than the wild-type Tm-value, The Tm-value in presence of Ser is 0.5°C higher than the wild-type value | Escherichia coli |
P216G | the turnover-number is 8.3fold lower than the wild-type value, the Km-value for Ser is 1.9fold higher than the wild-type value. The Km-value for tetrahydropteroylglutamate is 5.7fold higher than the wild-type value | Escherichia coli |
P218A | the turnover-number is 1.1fold lower than the wild-type value, the Km-value for Ser is 2.3fold lower than the wild-type value. The Km-value for tetrahydropteroylglutamate is 1.3fold higher than the wild-type value, double thermal transition that is considerably lower than wild-type enzyme, no increase in thermal stability upon binding serine | Escherichia coli |
P218G | the turnover-number is 1.5fold lower than the wild-type value, the Km-value for Ser is 2.3fold lower than the wild-type value. The Km-value for tetrahydropteroylglutamate is 1.1fold higher than the wild-type value | Escherichia coli |
P258A | the turnover-number is below 0.5 per min, the KM-value for Ser is 26.7fold higher than the wild-type value | Escherichia coli |
P258G | inactive mutant enzyme | Escherichia coli |
P264A | the turnover-number is 3fold lower than the wild-type value, the Km-value for Ser is 1.1fold higher than the wild-type value, The Km-value for tetrahydropteroylglutamate is 1.1fold higher than the wild-type value, Tm-value in absence of Ser is 9°C lower than the wild-type Tm-value. The Tm-value in presence of Ser is 11.5°C lower than the wild-type value | Escherichia coli |
P264G | the turnover-number is 42.9fold lower than the wild-type value, the Km-value for Ser is 4.4fold higher than the wild-type value | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.015 | - |
tetrahydrofolate | wild-type enzyme | Escherichia coli | |
0.017 | - |
tetrahydrofolate | mutant enzyme P218G | Escherichia coli | |
0.017 | - |
tetrahydrofolate | mutant enzyme P264A | Escherichia coli | |
0.019 | - |
tetrahydrofolate | mutant enzyme P218A | Escherichia coli | |
0.02 | - |
tetrahydrofolate | mutant enzyme P214A | Escherichia coli | |
0.02 | - |
tetrahydrofolate | mutant enzyme P214G | Escherichia coli | |
0.02 | - |
tetrahydrofolate | mutant enzyme P216A | Escherichia coli | |
0.085 | - |
tetrahydrofolate | mutant enzyme P216G | Escherichia coli | |
0.13 | - |
L-Ser | mutant enzyme P218A | Escherichia coli | |
0.13 | - |
L-Ser | mutant enzyme P218G | Escherichia coli | |
0.14 | - |
L-Ser | mutant enzyme P214A | Escherichia coli | |
0.24 | - |
L-Ser | mutant enzyme P214G | Escherichia coli | |
0.25 | - |
L-Ser | mutant enzyme P216A | Escherichia coli | |
0.3 | - |
L-Ser | wild-type enzyme | Escherichia coli | |
0.33 | - |
L-Ser | mutant enzyme P264A | Escherichia coli | |
0.58 | - |
L-Ser | mutant enzyme P216G | Escherichia coli | |
1.33 | - |
L-Ser | mutant enzyme P264G | Escherichia coli | |
8 | - |
L-Ser | mutant enzyme P258A | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
- |
Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
tetrahydrofolate + L-Ser | - |
Escherichia coli | ? + glycine + H2O | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
thermal denaturation is irreversible | Escherichia coli |
67 | - |
Tm-value for wild-type enzyme in absence of Ser | Escherichia coli |
73 | - |
Tm-value for wild-type enzyme in presence of Ser | Escherichia coli |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.12 | - |
tetrahydrofolate | mutant enzyme P264G | Escherichia coli | |
0.12 | - |
L-Ser | mutant enzyme P264G | Escherichia coli | |
0.6 | - |
tetrahydrofolate | mutant enzyme P216G | Escherichia coli | |
0.6 | - |
L-Ser | mutant enzyme P216G | Escherichia coli | |
1.6 | - |
tetrahydrofolate | mutant enzyme P264A | Escherichia coli | |
1.6 | - |
L-Ser | mutant enzyme P264A | Escherichia coli | |
3.3 | - |
tetrahydrofolate | mutant enzyme P214A | Escherichia coli | |
3.3 | - |
L-Ser | mutant enzyme P214A | Escherichia coli | |
3.3 | - |
tetrahydrofolate | mutant enzyme P214G | Escherichia coli | |
3.3 | - |
L-Ser | mutant enzyme P214G | Escherichia coli | |
3.3 | - |
tetrahydrofolate | mutant enzyme P216A | Escherichia coli | |
3.3 | - |
L-Ser | mutant enzyme P216A | Escherichia coli | |
3.3 | - |
tetrahydrofolate | mutant enzyme P218G | Escherichia coli | |
3.3 | - |
L-Ser | mutant enzyme P218G | Escherichia coli | |
4.5 | - |
tetrahydrofolate | mutant enzyme P218A | Escherichia coli | |
4.5 | - |
L-Ser | mutant enzyme P218A | Escherichia coli | |
5 | - |
tetrahydrofolate | wild-type enzyme | Escherichia coli | |
5 | - |
L-Ser | wild-type enzyme | Escherichia coli |