KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.027 | - |
oxaloacetate | isozyme AAT-2, including forms 2a, 2b and 2c, pH 8.0 | Medicago sativa | |
0.031 | - |
oxaloacetate | isozyme AAT-1, pH 8.0 | Medicago sativa | |
0.39 | - |
2-oxoglutarate | isozyme AAT-2, including forms 2a, 2b and 2c, pH 8.0 | Medicago sativa | |
0.55 | - |
2-oxoglutarate | isozyme AAT-1, pH 8.0 | Medicago sativa | |
1.2 | - |
L-aspartate | isozyme AAT-1, pH 8.0 | Medicago sativa | |
1.5 | - |
L-aspartate | isozyme AAT-2, including forms 2a, 2b and 2c, pH 8.0 | Medicago sativa | |
18.5 | - |
L-glutamate | isozyme AAT-1, pH 8.0 | Medicago sativa | |
19.4 | - |
L-glutamate | isozyme AAT-2, including forms 2a, 2b and 2c, pH 8.0 | Medicago sativa |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytosol | multiple catalytically active forms of the cytosolic enzyme | Medicago sativa | 5829 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
40000 | - |
2 * 40000, isozymes AAT-2a, 2b and 3c, SDS-PAGE | Medicago sativa |
80000 | - |
isozymes AAT-2a, 2b and 2c, gel filtration | Medicago sativa |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-aspartate + 2-oxoglutarate | Medicago sativa | key enzyme in assimilation of C and N compounds | oxaloacetate + L-glutamate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Medicago sativa | - |
2 cytosolic isozymes: AAT-1 and AAT-2, the latter has the 3 forms AAT-2a, AAT-2b, AAT-2c | - |
Purification (Comment) | Organism |
---|---|
cytosolic isozyme: multiple forms AAT-2a, AAT-2b, AAT-2c | Medicago sativa |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
leaf | low activity | Medicago sativa | - |
root | low activity | Medicago sativa | - |
root nodule | - |
Medicago sativa | - |
stem | low activity | Medicago sativa | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
130 | - |
purified cytosolic isozyme AAT-2 form 2a | Medicago sativa |
140 | - |
purified cytosolic isozyme AAT-2 form 2c | Medicago sativa |
240 | - |
purified cytosolic isozyme AAT-2 form 2b | Medicago sativa |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
L-aspartate + 2-oxoglutarate | - |
Medicago sativa | oxaloacetate + L-glutamate | - |
? | |
L-aspartate + 2-oxoglutarate | key enzyme in assimilation of C and N compounds | Medicago sativa | oxaloacetate + L-glutamate | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 40000, isozymes AAT-2a, 2b and 3c, SDS-PAGE | Medicago sativa |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
8 | - |
isoenzyme AAT-1, isoenzyme AAT-2 | Medicago sativa |