Cloned (Comment) | Organism |
---|---|
recombinant expression of His-tagged enzyme in Escherichia coli | Leuconostoc mesenteroides |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
Cu2+ | - |
Leuconostoc mesenteroides | |
EDTA | 97% inhibition | Leuconostoc mesenteroides | |
Fe2+ | strong inhibition | Leuconostoc mesenteroides | |
K+ | - |
Leuconostoc mesenteroides | |
Li+ | - |
Leuconostoc mesenteroides | |
Mg2+ | - |
Leuconostoc mesenteroides | |
Mn2+ | - |
Leuconostoc mesenteroides | |
Na+ | - |
Leuconostoc mesenteroides | |
Ni2+ | - |
Leuconostoc mesenteroides | |
Zn2+ | - |
Leuconostoc mesenteroides |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Ca2+ | activates, recombinant enzyme | Leuconostoc mesenteroides | |
Co2+ | activates strongly, recombinant enzyme | Leuconostoc mesenteroides | |
Rb+ | activates slightly, recombinant enzyme | Leuconostoc mesenteroides |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Leuconostoc mesenteroides | levan synthesis from sucrose | ? | - |
? | |
additional information | Leuconostoc mesenteroides NTM048 | levan synthesis from sucrose | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Leuconostoc mesenteroides | - |
isolated from fresh green peas | - |
Leuconostoc mesenteroides NTM048 | - |
isolated from fresh green peas | - |
Purification (Comment) | Organism |
---|---|
recombinant His-tagged enzyme from Escherichia coli by nickel affinity chromatography and ultrafiltration | Leuconostoc mesenteroides |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | levan synthesis from sucrose | Leuconostoc mesenteroides | ? | - |
? | |
additional information | measurement of sucrose hydrolysis | Leuconostoc mesenteroides | ? | - |
? | |
additional information | levan synthesis from sucrose | Leuconostoc mesenteroides NTM048 | ? | - |
? | |
additional information | measurement of sucrose hydrolysis | Leuconostoc mesenteroides NTM048 | ? | - |
? | |
sucrose + alpha-D-glucosyl-(1->2)-[(2->6)-beta-D-fructosyl]n | - |
Leuconostoc mesenteroides | D-glucose + alpha-D-glucosyl-(1->2)-[(2->6)-beta-D-fructosyl]n+1 | - |
? | |
sucrose + alpha-D-glucosyl-(1->2)-[(2->6)-beta-D-fructosyl]n | - |
Leuconostoc mesenteroides NTM048 | D-glucose + alpha-D-glucosyl-(1->2)-[(2->6)-beta-D-fructosyl]n+1 | - |
? |
Synonyms | Comment | Organism |
---|---|---|
LvnS | - |
Leuconostoc mesenteroides |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
30 | - |
recombinant enzyme | Leuconostoc mesenteroides |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.5 | 6 | recombinant enzyme | Leuconostoc mesenteroides |
General Information | Comment | Organism |
---|---|---|
evolution | the enzyme belongs to the glycoside hydrolase family GH68 | Leuconostoc mesenteroides |
physiological function | Levansucrase from Leuconostoc mesenteroides NTM048 produces a levan exopolysaccharide with immunomodulating activity stimulating IgA production in mice | Leuconostoc mesenteroides |