2.4.1.5: dextransucrase
This is an abbreviated version!
For detailed information about dextransucrase, go to the full flat file.
Word Map on EC 2.4.1.5
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2.4.1.5
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streptococcus
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mutans
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glucosylation
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glucans
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leuconostoc
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dental
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mesenteroides
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caries
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udp-glucose
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oligosaccharide
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cariogenic
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sobrinus
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glucoside
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water-insoluble
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difficile
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plaque
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maltose
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glycosyltransferases
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serotype
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saliva
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tooth
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sanguis
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gordonii
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fructosyltransferase
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udp-glc
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monoglucosylated
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dextranase
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tcda
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glucansucrase
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pellicle
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salivarius
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gtases
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galactosyltransferase
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saliva-coated
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calnexin
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viscosus
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lipid-linked
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industry
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food industry
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aureobasidium
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oralis
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pharmacology
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pseudomembranous
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medicine
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3-o-glucoside
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levansucrase
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biotechnology
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alpha-1,6
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weissella
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man9glcnac2
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transglucosylation
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synthesis
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glc3man9glcnac2
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nutrition
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isomaltose
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sordellii
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holotoxins
- 2.4.1.5
- streptococcus
- mutans
-
glucosylation
- glucans
- leuconostoc
-
dental
- mesenteroides
- caries
- udp-glucose
- oligosaccharide
-
cariogenic
- sobrinus
- glucoside
-
water-insoluble
- difficile
- plaque
- maltose
- glycosyltransferases
-
serotype
- saliva
- tooth
- sanguis
- gordonii
- fructosyltransferase
- udp-glc
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monoglucosylated
- dextranase
- tcda
- glucansucrase
- pellicle
- salivarius
- gtases
-
galactosyltransferase
-
saliva-coated
- calnexin
- viscosus
-
lipid-linked
- industry
- food industry
- aureobasidium
- oralis
- pharmacology
-
pseudomembranous
- medicine
- 3-o-glucoside
- levansucrase
- biotechnology
-
alpha-1,6
- weissella
- man9glcnac2
-
transglucosylation
- synthesis
- glc3man9glcnac2
- nutrition
- isomaltose
- sordellii
-
holotoxins
Reaction
Synonyms
B-512F dextransucrase, B-512FMC dextransucrase, Cab3, CEP, DexT, dextran-sucrase, DS, DSase, DSR, Dsr S protein, DSR-F, DSR-S, DSRB742, DSRBCB4, DSRC39-2, DsrE563, DsrP, DSRS, DSRWC, DsrX, FT045B dextransucrase, glucansucrase, glucosyltransferase, glucosyltransferase, sucrose-1,6-alpha-glucan, glycosyltransferase R, Gtf, Gtf-DSM, GTFR, More, SGE, sucrose 6-glucosyltransferase, sucrose:1, 6-alpha-D-glucan 6-alpha-glucosyltransferase, sucrose:1,6-alpha-D-glucan-6-alpha-D-glucosyltransferase, Wc392-rDSR, WcCab3-DSR
ECTree
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Temperature Stability
Temperature Stability on EC 2.4.1.5 - dextransucrase
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10
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about 35% loss of activity after 20 min, about 35% loss of activity after 45 min, about 40% loss of activity after 80 min
10 - 30
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purified enzyme, stable at, rapid loss of activity above. Loss of 65% activity within 20 h at 30°C without added stabilizer, in presence of Tween 80 the enzyme loses only 8% activity. Loss of 92% activity at 30°C within 4 days
10 - 60
20 - 30
purified recombinant enzyme, in 20 mM sodium acetate, pH 5.4, 30 min, stable, rapid loss of activity above 30°C
25
28
partially purified recombinant fusion enzyme DXSR, stable
3
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about 25% loss of activity after 20 min, about 45% loss of activity after 45 min, about 55% loss of activity after 80 min
30
35
35 - 40
enzyme stability decreases sharply when the temperature is raised from 35°C to 40°C, half-life at 35°C is 26.3 h and at 40°C 7.4 h without glycerol, and 37.5 h and 11.2 h with glycerol, respectively
37
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T1/2: 6 h (soluble enzyme), T1/2: 9 h (enzyme immobilized on calcium-alginate)
4 - 60
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the native DsrX shows higher stability than the recombinant DsrX at the temperature range from 4°C to 60°C for 2 h, native enzyme shows 84% remaining activity at 40°C after 2 h, while recombinant enzyme shows only 3.1%
40
45
50
60
70
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half-life: 4 min (soluble enzyme), half-life: 42 min (enzyme immobilized on calcium-alginate)
additional information
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T1/2: 8 h (soluble enzyme), T1/2: 10 h (enzyme immobilized on calcium-alginate)
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pH 5.4, native enzyme loses 90% of its inital activity in only 2 h, immobilization on Eupergit C 250L significantly stabilizes dextransucrase. Despite a fast partial inactivation in the first 2 h, the enzyme immobilized on Eupergit C 250L maintains more than 40% of the initial activity over the following 2 days, the enzyme immobilized on Eupergit C maintains about 15% of the initial activity after 1 day
30
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the crude enzyme is stable at 30 °C for 30 h at pH ranging from 4.5 to 5.5, partially purified enzyme is stable in non-fermented cashew apple juice at pH 5.0 for 96 h at 30 °C, overview
30
glycerol and Tween 80 enhance enzyme stability, enzyme half-life at 30°C increases from 10 h to 74 h and 59 h, respectively
35
t1/2 of P478S/P856S mutant enzyme (48.8 min) increases by 7.4times compared to that of wild-type (6.6 min)
35
purified enzyme, pH 5.4, 10-500 mM sodium acetate buffer, 1 h, stable
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soluble enzyme is very unstable, t1/2: 9 h (enzyme immobilized on calcium-alginate)
40
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10 min, 80% loss of activity without dextran, 30% loss of activity with addition of dextran
40
JX679020
purified enzyme, stable up to, rapid loss of activity above, 35% activity remains after 24 h at 30°C, 93% after 9 h at 30°C in presence of glycerol
45
t1/2 of mutant enzyme P478S/P856S (1.5 min) increases by 1.5times compared to that of wild-type (1 min)
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half-life: 4.68 min (soluble enzyme), half-life: 385 min (enzyme immobilized on calcium-alginate)
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half-life: 4.68 min (soluble enzyme), half-life: 295 min (enzyme immobilized on calcium-alginate)
additional information
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the percentage of thermal stability in ultrasound-treated dextransucrase is increased, while the rate of deactivation is decreased. The degree of thermal inactivation is inversely proportional to the dextransucrase concentration