Activating Compound | Comment | Organism | Structure |
---|---|---|---|
chondroitin sulfate | activation | Dictyostelium discoideum | |
EDTA | activation | Dictyostelium discoideum | |
heparin | activation | Dictyostelium discoideum | |
Tween 80 | slight activation | Dictyostelium discoideum |
General Stability | Organism |
---|---|
stable to at least 4 successive freeze/thaw cycles | Dictyostelium discoideum |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cemusol NPT-12 | weak inhibition | Dictyostelium discoideum | |
Triton X-100 | weak inhibition | Dictyostelium discoideum |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
additional information | - |
additional information | complex bimodal kinetics | Dictyostelium discoideum |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
K+ | maximal activation at 400 mM KCl | Dictyostelium discoideum | |
Mg2+ | activation | Dictyostelium discoideum |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Dictyostelium discoideum | - |
- |
- |
Purification (Comment) | Organism |
---|---|
partial | Dictyostelium discoideum |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
UDP-alpha-D-glucose + D-glucose 6-phosphate = UDP + alpha,alpha-trehalose 6-phosphate | complex bimodal kinetics | Dictyostelium discoideum |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
sporocarp | - |
Dictyostelium discoideum | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
6.179 | - |
- |
Dictyostelium discoideum |
Storage Stability | Organism |
---|---|
-12°C, stable for at least 11 weeks | Dictyostelium discoideum |
4-6°C, 2 d, enzyme retains 75% of its activity after 2 d and 25% of its activity after 3 d | Dictyostelium discoideum |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP-alpha-D-glucose + D-glucose 6-phosphate | 13.4% of the activity with GDPglucose | Dictyostelium discoideum | ADP + alpha,alpha-trehalose 6-phosphate | - |
? | |
GDP-glucose + D-glucose 6-phosphate | 18.4% of the activity with UDP-glucose | Dictyostelium discoideum | trehalose 6-phosphate + GDP | - |
? | |
TDP-glucose + glucose 6-phosphate | 15.9% of the activity with UDPglucose | Dictyostelium discoideum | trehalose 6-phosphate + TDP | - |
? | |
UDPglucose + glucose 6-phosphate | absolute specificity for glucose 6-phosphate | Dictyostelium discoideum | trehalose 6-phosphate + UDP | - |
? |
Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|
48 | - |
5 min, 44% of its original activity is recovered | Dictyostelium discoideum |
55 | - |
5 min, 5% of its original activity is recovered | Dictyostelium discoideum |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Dictyostelium discoideum |
pH Minimum | pH Maximum | Comment | Organism |
---|---|---|---|
5.5 | 8 | pH 5.5: about 75% of maximal activity, pH 8.0: about 70% of maximal activity | Dictyostelium discoideum |