EC Number | Crystallization (Comment) | Organism |
---|---|---|
4.1.1.64 | hanging drop vapor diffusion method, crystal structure of Q52A mutant and wild-type enzyme in complex with pyridoxamine 5'-phosphate | Burkholderia cepacia |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
4.1.1.64 | Q52A | 85fold decrease in turnover number for decarboxylation half-reaction with 2-aminoisobutyrate and pyruvate, greatly reduced rate of transamination half-reaction and impaired pyridoxamine phosphate binding | Burkholderia cepacia |
4.1.1.64 | Q52E | 10000fold decrease in turnover number for decarboxylation half-reaction with 2-aminoisobutyrate and pyruvate, transamination rate is nearly identical to wild-type value | Burkholderia cepacia |
4.1.1.64 | Q52I | 100000fold decrease in turnover number for decarboxylation half-reaction with 2-aminoisobutyrate and pyruvate, greatly reduced rate of transamination half-reaction and impaired pyridoxamine phosphate binding | Burkholderia cepacia |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.1.1.64 | 0.015 | - |
pyruvate | pH 7.8, mutant enzyme Q52A | Burkholderia cepacia | |
4.1.1.64 | 30 | - |
2-aminoisobutanoate | pH 7.8, mutant enzyme Q52A | Burkholderia cepacia |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
4.1.1.64 | Burkholderia cepacia | P16932 | - |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
4.1.1.64 | - |
Burkholderia cepacia |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
4.1.1.64 | 2-Aminoisobutanoate + pyruvate | - |
Burkholderia cepacia | L-Ala + acetone + CO2 | - |
? |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
4.1.1.64 | 0.12 | - |
pyruvate | pH 7.8, mutant enzyme Q52A | Burkholderia cepacia | |
4.1.1.64 | 0.12 | - |
2-aminoisobutanoate | pH 7.8, mutant enzyme Q52A | Burkholderia cepacia |