Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
45000 | - |
isozyme form L-TAT-2, gel filtration | Zea mays |
55000 | - |
D-TAT, gel filtration | Zea mays |
80000 | - |
isozyme form L-TAT-1, gel filtration | Zea mays |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Zea mays | - |
3 isozymes: L-TAT-1 and L-TAT-2 (L-tryptophan aminotransferases), D-TAT (D-tryptophan aminotransferase) | - |
Purification (Comment) | Organism |
---|---|
partial, 3 isozymes: L-TAT-1 and L-TAT-2 (L-tryptophan aminotransferases), and D-TAT (D-tryptophan aminotransferase) | Zea mays |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
coleoptile | - |
Zea mays | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
D-tryptophan + pyruvate | no activity with oxaloacetate and 2-oxoglutarate as amino group acceptors | Zea mays | 3-indole-2-oxopropanoate + L-alanine | - |
? | |
D-tryptophan + pyruvate | D-TAT | Zea mays | 3-indole-2-oxopropanoate + L-alanine | - |
? | |
L-tryptophan + 2-oxoglutarate | 2-oxoglutarate is more effective than pyruvate, oxaloacetate and glyoxylate | Zea mays | L-glutamate + 3-indole-2-oxopropanoate | - |
? | |
L-tryptophan + glyoxylate | isozymes L-TAT-1 and L-TAT-2 | Zea mays | 3-indole-2-oxopropanoate + glycine | - |
? | |
L-tryptophan + oxaloacetate | isozymes L-TAT-1 and L-TAT-2 | Zea mays | 3-indole-2-oxopropanoate + L-aspartate | - |
? |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
D-TAT | Zea mays |
50 | 60 | both L-TAT isozymes | Zea mays |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | 9 | isozymes L-TAT-1, L-TAT-2, D-TAT | Zea mays |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
pyridoxal 5'-phosphate | required for full activation | Zea mays |