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4.1.1.5: acetolactate decarboxylase

This is an abbreviated version!
For detailed information about acetolactate decarboxylase, go to the full flat file.

Word Map on EC 4.1.1.5

Reaction

(2S)-2-hydroxy-2-methyl-3-oxobutanoate
=
(3R)-3-hydroxybutan-2-one
+
CO2

Synonyms

ADC, ALD, aldB, ALDC, alpha-Acetolactate decarboxylase, AlsD, BudA1, Decarboxylase, acetolactate

ECTree

     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.1 Carboxy-lyases
                4.1.1.5 acetolactate decarboxylase

KM Value

KM Value on EC 4.1.1.5 - acetolactate decarboxylase

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KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.55
(2R,3R)-[(2R)-3-hydroxy-2-(hydroxy-kappaO)-2-methylbutanoic acid-kappaO]zinc(2+)
pH 6.0, temperature not specified in the publication
0.78
(2R,3S)-[(2R)-3-hydroxy-2-(hydroxy-kappaO)-2-methylbutanoic acid-kappaO]zinc(2+)
pH 6.0, temperature not specified in the publication
0.0177
(2S)-2-hydroxy-2-methyl-3-oxobutanoate
-
at pH 6.0 and 45°C
0.56
(2S,3R)-[(2S)-3-hydroxy-2-(hydroxy-kappaO)-2-methylbutanoic acid-kappaO]zinc(2+)
pH 6.0, temperature not specified in the publication
0.49
(2S,3S)-[(2R)-3-hydroxy-2-(hydroxy-kappaO)-2-methylbutanoic acid-kappaO]zinc(2+)
pH 6.0, temperature not specified in the publication
1.3
(S)-2-Hydroxy-2-methyl-3-oxobutanoate
-
pH 6
10
2-hydroxy-2-ethyl-3-oxobutanoate
-
-
0.06 - 75
2-Hydroxy-2-methyl-3-oxobutanoate
21
DL-2-hydroxy-2-methyl-3-oxobutanoate
-
at pH 6.0 and 30°C
additional information
additional information
-
kinetic data
-