Protein Variants | Comment | Organism |
---|---|---|
K126R | replacement of Lys126 with Arg increases the activity of the enzyme | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | - |
Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
AS 1.881 (wild-type) | - |
Escherichia coli | - |
J2 (mutant of AS 1.881) | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-aspartate | r | Escherichia coli | fumarate + NH3 | - |
? | |
L-aspartate | natural substrate | Escherichia coli | fumarate + NH3 | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Escherichia coli |
50 | - |
83% loss of activity (wild-type), 70% loss of activity (mutant enzyme) after 45 min | Escherichia coli |
60 | - |
complete loss of activity after 5 min | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
additional information | - |
- |
Escherichia coli |
8 | - |
wild-type enzyme, mutant enzyme (random mutagenesis) | Escherichia coli |
8.5 | - |
mutant (site-directed) enzyme | Escherichia coli |
pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|
5 | 9 | mutant enzyme by random mutagenesis | Escherichia coli |
7 | 9 | mutant enzyme by site-directed mutagenesis | Escherichia coli |
7 | 8 | wild-type enzyme | Escherichia coli |