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Literature summary extracted from

  • Negm, F.B.; Loescher, W.H.
    Detection and characterization of sorbitol dehydrogenase from apple callus tissue (1979), Plant Physiol., 64, 69-73.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
1.1.1.14 ZnSO4 reverses cysteine inhibition Malus domestica

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.1.1.14 AgNO3
-
Malus domestica
1.1.1.14 cysteine strong effect on sorbitol oxidation, slight effect on fructose reduction, ZnSO4 reverses inhibition Malus domestica
1.1.1.14 HgCl2
-
Malus domestica
1.1.1.14 iodoacetate strong effect on sorbitol oxidation, weaker effect on fructose reduction Malus domestica
1.1.1.14 p-chloromercuribenzoate
-
Malus domestica

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.1.1.14 37
-
D-xylitol
-
Malus domestica
1.1.1.14 86
-
D-sorbitol
-
Malus domestica
1.1.1.14 1500
-
D-fructose
-
Malus domestica

Organism

EC Number Organism UniProt Comment Textmining
1.1.1.14 Malus domestica
-
apple
-
1.1.1.14 Malus domestica
-
cv Granny Smith
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.1.1.14 mesocarp tissue culture Malus domestica
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.1.14 D-fructose + NADH + H+
-
Malus domestica D-sorbitol + NAD+
-
?
1.1.1.14 D-mannitol + NAD+
-
Malus domestica ?
-
?
1.1.1.14 D-ribitol + NAD+
-
Malus domestica ?
-
?
1.1.1.14 D-sorbitol + NAD+
-
Malus domestica D-fructose + NADH + H+
-
?
1.1.1.14 D-xylitol + NAD+
-
Malus domestica ?
-
?
1.1.1.14 L-arabitol + NAD+
-
Malus domestica ?
-
?
1.1.1.14 L-sorbose + NADH
-
Malus domestica ?
-
?
1.1.1.14 L-threitol + NAD+
-
Malus domestica ?
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
1.1.1.14 60
-
-
Malus domestica

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
1.1.1.14 35 65 35°C: about 50% of activity maximum, 65°C: about 95% of activity maximum Malus domestica

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.1.14 5.7 7 D-fructose reduction Malus domestica
1.1.1.14 9 10 sorbitol oxidation Malus domestica

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.1.1.14 4.7 8 at pH 4.7 and 8 about 50% of activity maximum, D-fructose reduction Malus domestica
1.1.1.14 8 11 at pH 8 and 11 about 50% of activity maximum, sorbitol oxidation Malus domestica

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
1.1.1.14 4.5
-
at lower pH denaturation occurs Malus domestica

Cofactor

EC Number Cofactor Comment Organism Structure
1.1.1.14 NAD+
-
Malus domestica
1.1.1.14 NADH
-
Malus domestica
1.1.1.14 NADP+ cannot replace NAD+ Malus domestica
1.1.1.14 NADPH less effective than NADH Malus domestica