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Literature summary for 2.4.1.10 extracted from

  • Ishida, R.; Sakaguchi, K.; Matsuzaki, C.; Katoh, T.; Ishida, N.; Yamamoto, K.; Hisa, K.
    Levansucrase from Leuconostoc mesenteroides NTM048 produces a levan exopolysaccharide with immunomodulating activity (2016), Biotechnol. Lett., 38, 681-687.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
recombinant expression of His-tagged enzyme in Escherichia coli Leuconostoc mesenteroides

Inhibitors

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

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/ Products (Substrates)

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

Organism UniProt Comment Textmining
Leuconostoc mesenteroides
-
isolated from fresh green peas
-
Leuconostoc mesenteroides NTM048
-
isolated from fresh green peas
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from Escherichia coli by nickel affinity chromatography and ultrafiltration Leuconostoc mesenteroides

Substrates and Products (Substrate)

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

Synonyms Comment Organism
LvnS
-
Leuconostoc mesenteroides

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
recombinant enzyme Leuconostoc mesenteroides

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5 6 recombinant enzyme Leuconostoc mesenteroides

General Information

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