4.1.2.38: benzoin aldolase
This is an abbreviated version!
For detailed information about benzoin aldolase, go to the full flat file.
Word Map on EC 4.1.2.38
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4.1.2.38
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thiamin
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bal
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carboligation
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fluorescens
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benzoylformate
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thdp-dependent
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r-benzoin
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stereoselective
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enantioselective
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diphosphate-dependent
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biovar
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acyloins
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biocatalysis
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model-based
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carbon-carbon
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synthesis
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carboligase
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1',4'-iminopyrimidine
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propanal
- 4.1.2.38
- thiamin
- bal
-
carboligation
- fluorescens
- benzoylformate
-
thdp-dependent
-
r-benzoin
-
stereoselective
-
enantioselective
-
diphosphate-dependent
-
biovar
- acyloins
-
biocatalysis
-
model-based
-
carbon-carbon
- synthesis
-
carboligase
-
1',4'-iminopyrimidine
- propanal
Reaction
Synonyms
BAL, benzaldehyde lyase, benzoin aldolase, BZL, BznB, lyase, benzaldehyde
ECTree
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Temperature Stability
Temperature Stability on EC 4.1.2.38 - benzoin aldolase
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25
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a concentration of 1 mM MgSO4 and 0.01 mM thiamine diphosphate is sufficient to keep BAL stable at 25°C
30 - 40
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at 30 and 40°C in aqueous solution, the relative activity increases slightly during the first measurements, and after that the decrease is very low. At 50°C, a strong exponential decrease is observed. No significant differences of half-life between 30°C and 40°C with 16 and 18 h, respectively, whereas at 50°C, a strong decrease of the half-life is observed with 0.4 h
37
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reaction temperature shall not exceed 37°C, in the presence of 5 mM MgSO4 and 0.1 mM thiamine diphosphate the enzyme's activity is reduced by only 15% over 3 h at 37°C, however, a concentration of 1 mM MgSO4 and 0.01 mM thiamine diphosphate leads to more than 40% inactivation within 3 h at 37°C
59.7
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wild-type, T50 value, i.e. 50% residual activity after 10 min
66
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mutant Q112L/E393Y/S416G/T479F , T50 value, i.e. 50% residual activity after 10 min
68.4
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mutant Q112A/E393A/S416G/T479A, T50 value, i.e. 50% residual activity after 10 min