EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
2.4.1.13 | ADP | sucrose cleavage, not synthesis | Zea mays | |
2.4.1.13 | AMP | not inhibitory | Zea mays | |
2.4.1.13 | ATP | inhibition of cleavage, not synthesis | Zea mays | |
2.4.1.13 | Ca2+ | - |
Zea mays | |
2.4.1.13 | glucose | uncompetitive to UDPglucose | Zea mays | |
2.4.1.13 | Mg2+ | - |
Zea mays | |
2.4.1.13 | additional information | no inhibition by K+, Na+ | Zea mays | |
2.4.1.13 | UDP | at high concentrations; strong | Zea mays | |
2.4.1.13 | UTP | sucrose cleavage; synthesis | Zea mays | |
2.4.1.13 | Zn2+ | strong | Zea mays |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.4.1.13 | 0.14 | 0.15 | UDP | - |
Zea mays | |
2.4.1.13 | 0.98 | 1.66 | fructose | cosubstrate UDPglucose, ADP | Zea mays | |
2.4.1.13 | 2.08 | 3.1 | fructose | - |
Zea mays | |
2.4.1.13 | 16.9 | 40 | sucrose | - |
Zea mays |
EC Number | Metals/Ions | Comment | Organism | Structure |
---|---|---|---|---|
2.4.1.13 | Ca2+ | inhibition | Zea mays | |
2.4.1.13 | Ca2+ | activation of sucrose synthesis | Zea mays | |
2.4.1.13 | Mg2+ | activation | Zea mays | |
2.4.1.13 | Mg2+ | inhibition of sucrose cleavage | Zea mays |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.4.1.13 | Zea mays | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.4.1.13 | - |
Zea mays |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
2.4.1.13 | endosperm | - |
Zea mays | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.4.1.13 | 128 | - |
sucrose cleavage | Zea mays |
2.4.1.13 | 180 | - |
sucrose synthesis | Zea mays |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.4.1.13 | UDP + sucrose | - |
Zea mays | UDP-glucose + D-fructose | - |
? | |
2.4.1.13 | UDPglucose + D-fructose | - |
Zea mays | UDP + sucrose | - |
r |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
2.4.1.13 | 55 | - |
pH 6.5: t1/2: 1 min, complete inactivation after 10 min, pH 8: 20% loss of activity after 1 min, 80% loss of activity within 10 min | Zea mays |
EC Number | pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|---|
2.4.1.13 | 6.5 | - |
sucrose cleavage | Zea mays |
2.4.1.13 | 8 | - |
sucrose synthesis | Zea mays |
EC Number | pH Stability | pH Stability Maximum | Comment | Organism |
---|---|---|---|---|
2.4.1.13 | 6.5 | - |
t1/2: 1 min, 55°C, complete inactivation within 10 min | Zea mays |
2.4.1.13 | 8 | - |
55°C: 20% loss of activity within 1 min, 80% loss of activity within 10 min | Zea mays |