Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Chorismic acid | activates isozyme DS-Mn | Vigna radiata |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
3,4-dihydroxycinnamate | isoenzyme DS-Co | Vigna radiata | |
D-erythrose 4-phosphate | isoenzyme DS-Mn: substrate inhibition above 0.5 mM | Vigna radiata | |
L-arogenate | isozyme DS-Mn, competitive against D-erythrose 4-phosphate, non-competitive against phosphoenolpyruvate | Vigna radiata | |
prephenate | isozyme DS-Mn, competitive against D-erythrose 4-phosphate, non-competitive against phosphoenolpyruvate | Vigna radiata | |
Trp | L-Trp, weak | Vigna radiata |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Co2+ | isoenzyme Ds-Co has an absolute requirement for divalent cations, Co2+ being best | Vigna radiata | |
Mn2+ | isoenzyme DS-Mn is activated 2.6fold by 0.4 mM Mn2+ | Vigna radiata |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Vigna radiata | - |
2 differentially regulated isozymes: DS-Mn and DS-Co | - |
Purification (Comment) | Organism |
---|---|
partial, isozyme DS-Co and isozyme DS-Mn | Vigna radiata |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
seedling | - |
Vigna radiata | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.008 | - |
partially purified isoenzyme DS-Mn | Vigna radiata |
0.21 | - |
partially purified isozyme DS-Co | Vigna radiata |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
phosphoenolpyruvate + D-erythrose 4-phosphate + H2O | - |
Vigna radiata | 2-dehydro-3-deoxy-D-arabino-heptonate 7-phosphate + phosphate | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
7 | - |
isoenzyme DS-Mn | Vigna radiata |
8.8 | - |
isoenzyme DS-Co | Vigna radiata |