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Literature summary for 1.1.1.138 extracted from

  • Zahid, N.; Deppenmeier, U.
    Role of mannitol dehydrogenases in osmoprotection of Gluconobacter oxydans (2016), Appl. Microbiol. Biotechnol., 100, 9967-9978.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli DH5-alpha cells Gluconobacter oxydans

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0256
-
NADP+ at pH 10.0, temperature not specified in the publication Gluconobacter oxydans

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
54600
-
-
Gluconobacter oxydans
54900
-
-
Gluconobacter oxydans
100000
-
gel filtration Gluconobacter oxydans

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-mannitol + NADP+ Gluconobacter oxydans
-
D-fructose + NADPH + H+
-
?

Organism

Organism UniProt Comment Textmining
Gluconobacter oxydans
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-arabitol + NADP+
-
Gluconobacter oxydans ?
-
?
D-mannitol + NADP+
-
Gluconobacter oxydans D-fructose + NADPH + H+
-
?
D-sorbitol + NADP+
-
Gluconobacter oxydans ?
-
?
glycerol + NADP+
-
Gluconobacter oxydans ?
-
?
additional information the enzyme is able to reduce D-fructose, L-sorbose, and 5-keto D-gluconate in the presence of NADPH as an electron donor Gluconobacter oxydans ?
-
?

Subunits

Subunits Comment Organism
homodimer 2 * 54600, calculated from amino acid sequence Gluconobacter oxydans
homodimer 2 * 54900, SDS-PAGE Gluconobacter oxydans

Synonyms

Synonyms Comment Organism
Gox1432
-
Gluconobacter oxydans
NADP+-dependent mannitol dehydrogenase
-
Gluconobacter oxydans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
10
-
-
Gluconobacter oxydans

Cofactor

Cofactor Comment Organism Structure
NADP+ dependent on Gluconobacter oxydans

General Information

General Information Comment Organism
physiological function the enzyme is crucial for cell survival under osmotic stress Gluconobacter oxydans

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.078
-
D-mannitol at pH 10.0, temperature not specified in the publication Gluconobacter oxydans
0.66
-
D-mannitol at pH 7.0, temperature not specified in the publication Gluconobacter oxydans
0.89
-
D-sorbitol at pH 10.0, temperature not specified in the publication Gluconobacter oxydans