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4.1.3.39: 4-hydroxy-2-oxovalerate aldolase

This is an abbreviated version!
For detailed information about 4-hydroxy-2-oxovalerate aldolase, go to the full flat file.

Word Map on EC 4.1.3.39

Reaction

(S)-4-hydroxy-2-oxopentanoate
=
acetaldehyde
+
pyruvate

Synonyms

4-hydroxy-2-ketovalerate aldolase, 4-hydroxy-2-ketovalerate aldolase-aldehyde dehydrogenase (acylation), BphI, class II pyruvate aldolase BphI, DmpFG, HOA, HsaF, MhpE, pyruvate aldolase

ECTree

     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.3 Oxo-acid-lyases
                4.1.3.39 4-hydroxy-2-oxovalerate aldolase

KCat KM Value

KCat KM Value on EC 4.1.3.39 - 4-hydroxy-2-oxovalerate aldolase

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kcat/KM VALUE [1/mMs-1]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
10.4 - 14.1
(4R)-4-hydroxy-2-oxopentanoate
0.012 - 44.7
(4S)-4-hydroxy-2-oxopentanoate
0.063
(R,S)-glyceraldehyde
pH 8.0, 25°C
79.1
(S)-4-hydroxy-2-oxohexanoate
in 100 mM HEPES (pH 8.0), 0.4 mM NADH, 1 mM MgCl2, at 25°C
93.1
(S)-4-hydroxy-2-oxopentanoate
in 100 mM HEPES (pH 8.0), 0.4 mM NADH, 1 mM MgCl2, at 25°C
0.00042 - 13.4
acetaldehyde
0.00079 - 9.9
Butyraldehyde
0.0037 - 5.27
glycolaldehyde
0.00001 - 0.00013
hexaldehyde
0.0005
Isobutyraldehyde
at 25°C with 120 microg of BphI, 2 mM MnCl2 and 100 mM pyruvate
0.00033 - 0.0233
pentaldehyde
0.00673 - 13.2
propionaldehyde
0.0159 - 0.0915
pyruvate
0.5 - 22.5
Succinic semialdehyde