Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | stimulates enzyme activity | Triticum aestivum | |
Mn2+ | stimulates enzyme activity | Triticum aestivum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
ADP | slight inhibition | Triticum aestivum | |
ATP | - |
Triticum aestivum | |
citrate | activity can by restored with Mg2+ | Triticum aestivum | |
CTP | - |
Triticum aestivum | |
delta-gluconolactone | - |
Triticum aestivum | |
EDTA | - |
Triticum aestivum | |
GTP | - |
Triticum aestivum | |
Maleate | - |
Triticum aestivum | |
p-chloromercuribenzoate | activity can be restored by addition of DTT or 2-mercaptoethanol | Triticum aestivum | |
phosphate | activity can by restored with Mg2+ | Triticum aestivum | |
UDP | competitive with UDP-glucose | Triticum aestivum | |
UTP | - |
Triticum aestivum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | reverses inhibition with citrate, phosphate and nucloside triphosphates | Triticum aestivum | |
Mn2+ | stimulates enzyme activity | Triticum aestivum |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
380000 | 390000 | gel filtration, glycerol density gradient centrifugation | Triticum aestivum |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-alpha-D-glucose + D-fructose 6-phosphate | Triticum aestivum | catalyzes the penultimate step of sucrose synthesis | UDP + sucrose 6-phosphate | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Triticum aestivum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
complete separation from sucrose synthetase | Triticum aestivum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
germ | - |
Triticum aestivum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
0.68 | - |
purified enzyme | Triticum aestivum |
Storage Stability | Organism |
---|---|
-20°C, 1 month, no loss of activity, 1 year, 50-60% loss of activity | Triticum aestivum |
0-4°C, stable in presence of 20% glycerol or 5 mM fructose-6-phosphate | Triticum aestivum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
UDP-alpha-D-glucose + D-fructose 6-phosphate | - |
Triticum aestivum | UDP + sucrose 6-phosphate | - |
? | |
UDP-alpha-D-glucose + D-fructose 6-phosphate | catalyzes the penultimate step of sucrose synthesis | Triticum aestivum | UDP + sucrose 6-phosphate | - |
? |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Triticum aestivum |