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Literature summary for 4.1.1.5 extracted from

  • O'Sullivan, S.M.; Condon, S.; Cogan, T.M.; Sheehan, D.
    Purification and characterisation of acetolactate decarboxylase from Leuconostoc lactis NCW1 (2001), FEMS Microbiol. Lett., 194, 245-249.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information activity is independent of the branched chain amino acids leucine, valine or isoleucine Leuconostoc lactis

Inhibitors

Inhibitors Comment Organism Structure
additional information not inhibited by EDTA Leuconostoc lactis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.3
-
(S)-2-Hydroxy-2-methyl-3-oxobutanoate pH 6 Leuconostoc lactis

Metals/Ions

Metals/Ions Comment Organism Structure
additional information activity is independent of metals Leuconostoc lactis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
49000
-
2 * 49000, SDS-PAGE Leuconostoc lactis
100000
-
approximately, gel filtration Leuconostoc lactis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Leuconostoc lactis citrate metabolism ?
-
?
additional information Leuconostoc lactis NCW1 citrate metabolism ?
-
?

Organism

Organism UniProt Comment Textmining
Leuconostoc lactis
-
-
-
Leuconostoc lactis NCW1
-
-
-

Purification (Commentary)

Purification (Comment) Organism
5333fold Leuconostoc lactis

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Leuconostoc lactis

Storage Stability

Storage Stability Organism
-70°C, purified, aliquoted ALD, 30% (v/v) glycerol, 3 weeks, stable Leuconostoc lactis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(S)-2-hydroxy-2-methyl-3-oxobutanoate
-
Leuconostoc lactis (R)-acetoin + CO2
-
?
(S)-2-hydroxy-2-methyl-3-oxobutanoate
-
Leuconostoc lactis NCW1 (R)-acetoin + CO2
-
?
additional information ALD does not catalyze the direct production of diacetyl from 2-acetolactate Leuconostoc lactis ?
-
?
additional information citrate metabolism Leuconostoc lactis ?
-
?
additional information ALD does not catalyze the direct production of diacetyl from 2-acetolactate Leuconostoc lactis NCW1 ?
-
?
additional information citrate metabolism Leuconostoc lactis NCW1 ?
-
?

Subunits

Subunits Comment Organism
dimer 2 * 49000, SDS-PAGE Leuconostoc lactis

Synonyms

Synonyms Comment Organism
ALD
-
Leuconostoc lactis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
stable up to Leuconostoc lactis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.7
-
(S)-2-Hydroxy-2-methyl-3-oxobutanoate pH 6 Leuconostoc lactis
66.67
-
(S)-2-Hydroxy-2-methyl-3-oxobutanoate pH 6 Leuconostoc lactis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
-
Leuconostoc lactis

pI Value

Organism Comment pI Value Maximum pI Value
Leuconostoc lactis Mono P chromatofocusing 4.4 4.3