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Literature summary for 1.1.1.67 extracted from

  • Martinez, G.; Barker, H.A.; Horecker, B.L.
    A specific mannitol dehydrogenase from Lactobacillus brevis (1963), J. Biol. Chem., 238, 1598-1603.
No PubMed abstract available

Crystallization (Commentary)

Crystallization (Comment) Organism
-
Levilactobacillus brevis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.13
-
NADH
-
Levilactobacillus brevis
0.18 0.27 NAD+
-
Levilactobacillus brevis
16.3 79.2 D-fructose
-
Levilactobacillus brevis
60
-
D-mannitol
-
Levilactobacillus brevis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-mannitol + NAD+ Levilactobacillus brevis
-
D-fructose + NADH + H+
-
?

Organism

Organism UniProt Comment Textmining
Levilactobacillus brevis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Levilactobacillus brevis

Storage Stability

Storage Stability Organism
-16°C, 0.02 M sodium acetate buffer pH 6.0, 1 mM 2-mercaptoethanol, several weeks Levilactobacillus brevis
3°C, crystalline enzyme in ammonium sulfate, 2 months Levilactobacillus brevis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-mannitol + NAD+
-
Levilactobacillus brevis D-fructose + NADH + H+
-
?
D-mannitol + NAD+ enzyme highly specific for D-mannitol and D-fructose Levilactobacillus brevis D-fructose + NADH + H+
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.3
-
D-fructose reduction Levilactobacillus brevis
8.6
-
D-mannitol oxidation Levilactobacillus brevis

pH Range

pH Minimum pH Maximum Comment Organism
5
-
not active below, D-mannitol oxidation Levilactobacillus brevis
8
-
not active above, D-fructose reduction Levilactobacillus brevis

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 6.5
-
Levilactobacillus brevis

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Levilactobacillus brevis
NADH
-
Levilactobacillus brevis