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Literature summary for 2.4.1.5 extracted from

  • Zhang, H.; Mao, X.; Wang, Y.; Hu, X.
    Optimization of culture conditions for high-level expression of dextransucrase in Escherichia coli (2009), J. Food Agric. Environ., 7, 75-78.
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
gene dexYG, expression in Escherichia coli strain BL21(DE3) Leuconostoc mesenteroides

Protein Variants

Protein Variants Comment Organism
additional information optimization of culture conditions for high-level lactose-inducible expression of Leuconostoc mesenteroides dextransucrase in recombinant Escherichia coli strain BL 21(DE3), overview. Maximal activity of 60.18 U/ml from a fed-batch culture at 5 g/l lactose, added at an OD600 of 3.0, at 25°C for 7 h Leuconostoc mesenteroides

Inhibitors

Inhibitors Comment Organism Structure
CaCl2 inhibits at 0.1 mM by 64% Leuconostoc mesenteroides
FeSO4 inhibits 26.5% at 0.1 mM, but activates 39.5% at 0.05 mM Leuconostoc mesenteroides
MnSO4 activates 68% at 0.1 mM, but inhibits at 0.05 mM by 26% Leuconostoc mesenteroides
ZnSO4 inhibits 27% at 0.05 mM and 24.5% at 0.1 mM Leuconostoc mesenteroides

Metals/Ions

Metals/Ions Comment Organism Structure
FeSO4 inhibits 26.5% at 0.1 mM, but activates 39.5% at 0.05 mM Leuconostoc mesenteroides
MgSO4 activates 115.6% at 0.1 mM, 20% at 0.05 mM Leuconostoc mesenteroides
MnSO4 activates 68% at 0.1 mM, but inhibits at 0.05 mM by 26% Leuconostoc mesenteroides
NaCl activates 11% at 0.1 mM Leuconostoc mesenteroides

Organism

Organism UniProt Comment Textmining
Leuconostoc mesenteroides
-
gene dexYG
-
Leuconostoc mesenteroides 0326
-
gene dexYG
-

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Leuconostoc mesenteroides

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.4
-
assay at Leuconostoc mesenteroides