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Literature summary for 1.1.1.274 extracted from

  • Sonoyama, T.; Kobayashi, K.
    Purification and properties of two 2,5-diketo-D-gluconate reductases from a mutant strain derived from Corynebacterium sp (1987), J. Ferment. Technol., 65, 311-317.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.8
-
2,5-didehydro-D-gluconate isoenzyme I Corynebacterium sp.
12
-
NADPH isoenzyme I Corynebacterium sp.
13
-
NADPH isoenzyme II Corynebacterium sp.
13.5
-
2,5-didehydro-D-gluconate isoenzyme II Corynebacterium sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
29000
-
isoenzyme I Corynebacterium sp.
34000
-
isoenzyme II Corynebacterium sp.

Organism

Organism UniProt Comment Textmining
Corynebacterium sp.
-
2,5-diketo-D-gluconate reductases I and II
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2,5-didehydro-D-gluconate + NADPH
-
Corynebacterium sp. 2-keto-L-gulonate + NADP+
-
?
2,5-didehydro-D-gluconate + NADPH
-
Corynebacterium sp. SHS 0007 2-keto-L-gulonate + NADP+
-
?
5-keto-D-fructose + NADPH isoenzymes I and II Corynebacterium sp. L-sorbose + NADP+
-
?
5-keto-D-fructose + NADPH isoenzymes I and II Corynebacterium sp. SHS 0007 L-sorbose + NADP+
-
?
dihydroxyacetone + NADPH
-
Corynebacterium sp. glycerol + NADP+
-
?
dihydroxyacetone + NADPH
-
Corynebacterium sp. SHS 0007 glycerol + NADP+
-
?

Subunits

Subunits Comment Organism
monomer isoenzymes I and II Corynebacterium sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6 7 isoenzyme I Corynebacterium sp.
6 7.5 isoenzyme II Corynebacterium sp.

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Corynebacterium sp.
NADPH
-
Corynebacterium sp.