General Stability | Organism |
---|---|
inactivated by freezing | Escherichia coli |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.032 | - |
4-hydroxyphenylpyruvate | pH 7.6, 37°C | Escherichia coli | |
0.042 | - |
L-tyrosine | pH 7.6, 37°C | Escherichia coli | |
0.056 | - |
phenylpyruvate | pH 7.6, 37°C | Escherichia coli | |
0.06 | - |
L-phenylalanine | pH 7.6, 37°C | Escherichia coli | |
0.23 | - |
2-oxoglutarate | pH 7.6, 37°C | Escherichia coli | |
0.28 | - |
L-glutamate | pH 7.6, 37°C | Escherichia coli | |
0.5 | - |
L-tryptophan | pH 7.6, 37°C | Escherichia coli | |
1.5 | - |
L-methionine | pH 7.6, 37°C | Escherichia coli | |
2 | - |
2-oxo-4-methylpentanoate | pH 7.6, 37°C | Escherichia coli | |
3.8 | - |
oxaloacetate | pH 7.6, 37°C | Escherichia coli | |
5 | - |
L-aspartate | pH 7.6, 37°C | Escherichia coli | |
5.8 | - |
L-leucine | pH 7.6, 37°C | Escherichia coli |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
46000 | - |
2 * 46000, SDS-PAGE | Escherichia coli |
90000 | - |
gel filtration | Escherichia coli |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Escherichia coli | - |
- |
- |
Purification (Comment) | Organism |
---|---|
ammonium sulfate, SAH-Sepharose, hydroxyapatite, pyridoxamine 5'-phosphate-Sepharose | Escherichia coli |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
an aromatic amino acid + 2-oxoglutarate = an aromatic oxo acid + L-glutamate | ping-pong mechanism | Escherichia coli |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
aspartate + 2-oxoglutarate | - |
Escherichia coli | oxaloacetate + L-glutamate | - |
r | |
L-leucine + 2-oxoglutarate | - |
Escherichia coli | 4-methyl-2-oxopentanoate + L-glutamate | - |
? | |
L-methionine + 2-oxoglutarate | - |
Escherichia coli | 4-methylsulfanyl-2-oxobutanoate + L-glutamate | - |
? | |
L-phenylalanine + 2-oxoglutarate | - |
Escherichia coli | phenylpyruvate + L-glutamate | - |
r | |
L-tryptophan + 2-oxoglutarate | - |
Escherichia coli | 3-indole-2-oxopropanoate + L-glutamate | - |
r | |
L-tyrosine + 2-oxoglutarate | - |
Escherichia coli | p-hydroxyphenylpyruvate + L-glutamate | i.e. 3-(4-hydroxyphenyl)-2-oxobutanoate + L-Glu | r |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 46000, SDS-PAGE | Escherichia coli |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7.2 | 7.6 | phenylalanine | Escherichia coli |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | a pyridoxal phosphate protein | Escherichia coli | |
pyridoxal 5'-phosphate | apoenzyme can be reactivated with pyridoxal 5'-phosphate to a maximum of 60-70% activity in the presence of 2-oxoglutarate | Escherichia coli |