Activating Compound | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | 2-4fold activation of sucrose synthesis, not cleavage | Anabaena sp. | |
Mn2+ | 2-4fold activation of sucrose synthesis, inhibition of cleavage | Anabaena sp. |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
arbutin | no enzyme activity at 5 mM | Anabaena sp. | |
fructose | above 20 mM, cosubstrate ADP-Glc, not with UDP-GLC | Anabaena sp. | |
Mn2+ | sucrose cleavage | Anabaena sp. |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
1.15 | - |
ADP | - |
Anabaena sp. | |
1.25 | - |
UDP | - |
Anabaena sp. | |
3.7 | - |
CDP | - |
Anabaena sp. | |
4.5 | - |
GDP | - |
Anabaena sp. | |
288 | 303 | sucrose | - |
Anabaena sp. |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
360000 | - |
gel filtration, form SS-II | Anabaena sp. |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Anabaena sp. | - |
strain PCC 7119, two isoforms | - |
Purification (Comment) | Organism |
---|---|
- |
Anabaena sp. |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ADP-glucose + D-fructose | - |
Anabaena sp. | ADP + sucrose | - |
r | |
CDP-glucose + D-fructose | - |
Anabaena sp. | CDP + sucrose | - |
r | |
GDP-glucose + D-fructose | - |
Anabaena sp. | GDP + sucrose | - |
r | |
UDP + sucrose | - |
Anabaena sp. | UDP-glucose + D-fructose | - |
? | |
UDPglucose + D-fructose | - |
Anabaena sp. | UDP + sucrose | - |
r |
Subunits | Comment | Organism |
---|---|---|
tetramer | 4 x 92000, SDS-PAGE, form SS-II, N-terminal sequence | Anabaena sp. |
Ki Value [mM] | Ki Value maximum [mM] | Inhibitor | Comment | Organism | Structure |
---|---|---|---|---|---|
1 | 1.5 | Mn2+ | sucrose cleavage | Anabaena sp. |