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Literature summary for 1.1.1.264 extracted from

  • DeBolt, S.; Cook, D.R.; Ford, C.M.
    L-tartaric acid synthesis from vitamin C in higher plants (2006), Proc. Natl. Acad. Sci. USA, 103, 5608-5613.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
gene 1029130, DNA and amino acid sequence determination and analysis, expression in Escherichia coli strain BL21(DE3) Vitis vinifera
gene 1029130, DNA and amino acid sequence determination and analysis, expression in Escherichia coli strain BL21(DE3) Vitis californica
gene 1029130, DNA and amino acid sequence determination and analysis, expression in Escherichia coli strain BL21(DE3) Ampelopsis glandulosa var. brevipedunculata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.2
-
L-Idonate pH 5.4, 30°C, recombinant enzyme Vitis vinifera
12.5
-
5-Dehydro-D-gluconate pH 8.5, 30°C, recombinant enzyme Vitis vinifera

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-idonate + NADP+ Vitis vinifera the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview 5-dehydro-D-gluconate + NADPH
-
r
L-idonate + NADP+ Vitis californica the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview 5-dehydro-D-gluconate + NADPH
-
r
L-idonate + NADP+ Ampelopsis glandulosa var. brevipedunculata the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview 5-dehydro-D-gluconate + NADPH
-
r

Organism

Organism UniProt Comment Textmining
Ampelopsis glandulosa var. brevipedunculata
-
-
-
no activity in Ampelopsis aconitifolia
-
-
-
Vitis californica
-
-
-
Vitis vinifera Q1PSI9 cv. Cabernet Sauvignon
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme from Escherichia coli strain BL21(DE3) Vitis vinifera
recombinant enzyme from Escherichia coli strain BL21(DE3) Vitis californica
recombinant enzyme from Escherichia coli strain BL21(DE3) Ampelopsis glandulosa var. brevipedunculata

Source Tissue

Source Tissue Comment Organism Textmining
fruit
-
Vitis vinifera
-
fruit
-
Vitis californica
-
fruit
-
Ampelopsis glandulosa var. brevipedunculata
-
leaf young Vitis vinifera
-
leaf young Vitis californica
-
leaf young Ampelopsis glandulosa var. brevipedunculata
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
in vivo activity, feeding experiments, overview Vitis vinifera

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-idonate + NADP+
-
Vitis vinifera 5-dehydro-D-gluconate + NADPH i.e. 5-keto-D-gluconic acid r
L-idonate + NADP+
-
Vitis californica 5-dehydro-D-gluconate + NADPH i.e. 5-keto-D-gluconic acid r
L-idonate + NADP+
-
Ampelopsis glandulosa var. brevipedunculata 5-dehydro-D-gluconate + NADPH i.e. 5-keto-D-gluconic acid r
L-idonate + NADP+ the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview Vitis vinifera 5-dehydro-D-gluconate + NADPH
-
r
L-idonate + NADP+ the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview Vitis californica 5-dehydro-D-gluconate + NADPH
-
r
L-idonate + NADP+ the enzyme is involved in the biosynthesis of L-tartaric acid from ascorbic acid, pathway overview Ampelopsis glandulosa var. brevipedunculata 5-dehydro-D-gluconate + NADPH
-
r

Synonyms

Synonyms Comment Organism
L-IdnDH
-
Vitis vinifera
L-IdnDH
-
Vitis californica
L-IdnDH
-
Ampelopsis glandulosa var. brevipedunculata
L-idonate dehydrogenase
-
Vitis vinifera
L-idonate dehydrogenase
-
Vitis californica
L-idonate dehydrogenase
-
Ampelopsis glandulosa var. brevipedunculata

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Vitis vinifera
30
-
assay at Vitis californica
30
-
assay at Ampelopsis glandulosa var. brevipedunculata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.4
-
forward, oxidation reaction Vitis vinifera
5.4
-
forward, oxidation reaction Vitis californica
5.4
-
forward, oxidation reaction Ampelopsis glandulosa var. brevipedunculata
8.5
-
reverse, reduction reaction Vitis vinifera
8.5
-
reverse, reduction reaction Vitis californica
8.5
-
reverse, reduction reaction Ampelopsis glandulosa var. brevipedunculata

Cofactor

Cofactor Comment Organism Structure
NADP+
-
Vitis vinifera
NADP+
-
Vitis californica
NADP+
-
Ampelopsis glandulosa var. brevipedunculata
NADPH
-
Vitis vinifera
NADPH
-
Vitis californica
NADPH
-
Ampelopsis glandulosa var. brevipedunculata