Activating Compound | Comment | Organism | Structure |
---|---|---|---|
NaCl | 2 h in 3 M NaCl at 60 °C, the residual activity is 1.8fold higher than that of the control without NaCl | Halalkalibacterium halodurans | |
NH4+ | enzyme tolerates high concentrations of ammonium chloride and its activity can also be enhanced by high concentration of ammonium salts | Halalkalibacterium halodurans |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Halalkalibacterium halodurans | Q9KG94 | - |
- |
Halalkalibacterium halodurans DSM 18197 | Q9KG94 | - |
- |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
3.6 | - |
oxidative deamination, substrate phnylpyruvate, pH 10.4, 25°C | Halalkalibacterium halodurans |
26.6 | - |
reductive amination, substrate phenylpyruvate, pH 10.4, 25°C | Halalkalibacterium halodurans |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-phenylalanine + H2O + NAD+ | - |
Halalkalibacterium halodurans | phenylpyruvate + NH3 + NADH + H+ | - |
? | |
L-phenylalanine + H2O + NAD+ | - |
Halalkalibacterium halodurans DSM 18197 | phenylpyruvate + NH3 + NADH + H+ | - |
? | |
phenylpyruvate + NH3 + NADH + H+ | - |
Halalkalibacterium halodurans | L-phenylalanine + H2O + NAD+ | - |
? | |
phenylpyruvate + NH3 + NADH + H+ | - |
Halalkalibacterium halodurans DSM 18197 | L-phenylalanine + H2O + NAD+ | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 41800, calculated from sequence | Halalkalibacterium halodurans |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
60 | - |
reductive amination | Halalkalibacterium halodurans |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
37 | 60 | 2 h incubation, pH 7.0, enzyme retaines approximately 80% of maximum activity | Halalkalibacterium halodurans |
70 | - |
2 h, less than 30% residual activity | Halalkalibacterium halodurans |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
- |
Halalkalibacterium halodurans |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
7 | 8.5 | more than 70% of maximum activity | Halalkalibacterium halodurans |