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Literature summary for 1.1.1.183 extracted from

  • Sekiwa-Iijima, Y.; Aizawa, Y.; Kubota, K.
    Geraniol dehydrogenase activity related to aroma formation in ginger (Zingiber officinale Roscoe) (2001), J. Agric. Food Chem., 49, 5902-5906.
    View publication on PubMed

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
citronellol + NADP+ Zingiber officinale
-
citronellal + NADPH + H+
-
r
geraniol + NADP+ Zingiber officinale most fundamental alcohol in the biosynthesis of terpenoids ?
-
?
geraniol + NADP+ Zingiber officinale
-
geranial + NADPH + H+
-
r
nerol + NADP+ Zingiber officinale
-
neral + NADPH + H+
-
r

Organism

Organism UniProt Comment Textmining
Zingiber officinale
-
Roscoe, Tosaichi and Kogane-no-sato, fresh immature and mature
-
Zingiber officinale
-
var. Tosaichi and Kogane-no-sato
-

Reaction

Reaction Comment Organism Reaction ID
geraniol + NADP+ = geranial + NADPH + H+ specifically acts on geraniol Zingiber officinale

Source Tissue

Source Tissue Comment Organism Textmining
additional information change in GeDH activity according to the degree of maturity and storage time of ginger of the two varieties, overview Zingiber officinale
-
rhizome
-
Zingiber officinale
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [┬Ámol/min/mg] Specific Activity Maximum [┬Ámol/min/mg] Comment Organism
additional information
-
nerol shows 52.9% of the activity with geraniol, citronellol about 20.6%, 2-heptanol 10.3% and heptanol only 7.4% Zingiber officinale

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-heptanol + NADP+
-
Zingiber officinale 2-heptanone + NADPH + H+
-
r
2-heptonol + NADP+
-
Zingiber officinale 2-heptanone + NADPH
-
?
citronellol + NADP+
-
Zingiber officinale citronellal + NADPH
-
?
citronellol + NADP+
-
Zingiber officinale citronellal + NADPH + H+
-
r
geraniol + NADP+
-
Zingiber officinale geranial + NADPH
-
?
geraniol + NADP+ most fundamental alcohol in the biosynthesis of terpenoids Zingiber officinale ?
-
?
geraniol + NADP+
-
Zingiber officinale geranial + NADPH + H+
-
r
heptanol + NADP+
-
Zingiber officinale heptanal + NADPH
-
?
additional information no activity with borneol, menthol, benzyl alcohol and ethanol. Geraniol, nerol and citronellol are structurally similar acyclic monoterpene alcohols Zingiber officinale ?
-
?
additional information the enzyme shows no activity with borneol, menthol, benzyl alcohol, and ethanol Zingiber officinale ?
-
?
nerol + NADP+
-
Zingiber officinale neral + NADPH + H+
-
r
nerol + NADP+
-
Zingiber officinale neral + geranial + NADPH + H+
-
?

Synonyms

Synonyms Comment Organism
GeDH
-
Zingiber officinale
geraniol dehydrogenase
-
Zingiber officinale

Temperature Optimum [┬░C]

Temperature Optimum [┬░C] Temperature Optimum Maximum [┬░C] Comment Organism
25
-
assay at Zingiber officinale

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
reduction reaction Zingiber officinale
9
-
-
Zingiber officinale
9
-
oxidation reaction Zingiber officinale

pH Range

pH Minimum pH Maximum Comment Organism
7 12 below 7 loss of activity Zingiber officinale
8 12 activity range, profile overview Zingiber officinale

pH Stability

pH Stability pH Stability Maximum Comment Organism
7 12 below pH 7 loss of activity Zingiber officinale
8 9 the enzyme activity in acetone extract is very stable at more than pH 8.0 and maximally at pH 9.0 Zingiber officinale

Cofactor

Cofactor Comment Organism Structure
additional information NAD+ is ineffective Zingiber officinale
additional information no activity with NAD+ Zingiber officinale
NADP+
-
Zingiber officinale