1.1.1.14: L-iditol 2-dehydrogenase

This is an abbreviated version, for detailed information about L-iditol 2-dehydrogenase, go to the full flat file.

Reaction

L-Iditol
+
NAD+
=
L-sorbose
+
NADH
+
H+

Synonyms

ADH, D-sorbitol dehydrogenase, dehydrogenase, L-iditol, Dgeo_2865, glucitol dehydrogenase, Hxt13, Hxt15, Hxt16, Hxt17, L-iditol 2-dehydrogenase, L-iditol dehydrogenase (sorbitol), L-iditol:NAD oxidoreductase, L-iditol:NAD+ 5-oxidoreductase, LeSDH, MdSDH5, More, NAD+-dependent sorbitol dehydrogenase, NAD-dependent polyol dehydrogenase, NAD-dependent sorbitol dehydrogenase, NAD-SDH, NAD-sorbitol dehydrogenase, PDH-11300, polyol dehydrogenase, Protein tms1, SDH, SldA, SLDH, Sor1, Sor2, sorbitol dehydrogenase, sorbitol transporter, SORD

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.14 L-iditol 2-dehydrogenase

pH Range

pH Range on EC 1.1.1.14 - L-iditol 2-dehydrogenase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.7 - 8
-
at pH 4.7 and 8 about 50% of activity maximum, D-fructose reduction
5 - 7
-
30% of maximal activity at pH 5.0 and 60% of maximal activity at pH 7.0, fructose reduction
5 - 7.5
-
less than 20% of maximal activity below pH 5, less than 80% above pH 7.5, fructose reduction
5 - 7
-
at pH 5.0 and pH 7.0 about 60% of maximal activity, fructose reduction
6 - 9
-
at pH 6 about 70% of maximal activity, at pH 9 about 40%, fructose reduction
6 - 7.2
-
less than 50% of maximal activity above and below, sugar reduction
7 - 10
-
40% of maximal activity at 7 and 70% of maximal activity at 10, sorbitol oxidation
7.5 - 9
-
less than 20% of maximal activity below pH 7.5, 100% at pH 9.0, sorbitol oxidation
7.5 - 10
-
at pH 7.5 about 70% of maximal activity, at pH 10 about 100%, sorbitol oxidation
7.5 - 9.5
-
at pH 7.5 and pH 9.5 about 70% of maximal activity, sorbitol oxidation
8 - 11
-
at pH 8 and 11 about 50% of activity maximum, sorbitol oxidation
9 - 10.5
-
less than 70% of maximal activity above and below, sorbitol oxidation
9.2 - 11.6
-
less than 50% of maximal activity above and below, sorbitol oxidation
additional information