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Literature summary for 1.1.2.4 extracted from

  • An, B.; Lan, J.; Deng, X.; Chen, S.; Ouyang, C.; Shi, H.; Yang, J.; Li, Y.
    Silencing of D-lactate dehydrogenase impedes glyoxalase system and leads to methylglyoxal accumulation and growth inhibition in rice (2017), Front. Plant Sci., 8, 2071 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
-
Oryza sativa Indica Group

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01102
-
D-2-hydroxybutyrate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group
0.0149
-
D-2-hydroxybutyrate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group
0.0414
-
(R)-lactate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group
0.0682
-
(R)-lactate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion
-
Oryza sativa Indica Group 5739
-

Organism

Organism UniProt Comment Textmining
Oryza sativa Indica Group
-
-
-
Oryza sativa Indica Group 93-11
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Oryza sativa Indica Group

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(R)-lactate + 2 ferricytochrome c
-
Oryza sativa Indica Group pyruvate + 2 ferrocytochrome c + 2 H+
-
?
(R)-lactate + 2 ferricytochrome c
-
Oryza sativa Indica Group 93-11 pyruvate + 2 ferrocytochrome c + 2 H+
-
?
(R)-lactate + PMS-DCIP PMS-DCIP3 i.e. phenazine methosulfate and 2,6-dichlorophenolindophenol Oryza sativa Indica Group pyruvate + reduced PMS-DCIP
-
?
(R)-lactate + PMS-DCIP PMS-DCIP3 i.e. phenazine methosulfate and 2,6-dichlorophenolindophenol Oryza sativa Indica Group 93-11 pyruvate + reduced PMS-DCIP
-
?
D-2-hydroxybutyrate + PMS-DCIP PMS-DCIP3 i.e. phenazine methosulfate and 2,6-dichlorophenolindophenol Oryza sativa Indica Group 2-oxobutanoate + reduced PMS-DCIP
-
?
D-2-hydroxybutyrate + PMS-DCIP PMS-DCIP3 i.e. phenazine methosulfate and 2,6-dichlorophenolindophenol Oryza sativa Indica Group 93-11 2-oxobutanoate + reduced PMS-DCIP
-
?

Synonyms

Synonyms Comment Organism
cytochromec-dependent D-LDH
-
Oryza sativa Indica Group
Os07g06890
-
Oryza sativa Indica Group

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
-
Oryza sativa Indica Group

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 40 25°C: about 75% of maximal activity, 40°C: about 95% of maximal activity Oryza sativa Indica Group

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.6
-
(R)-lactate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group
5.77
-
(R)-lactate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group
9.58
-
D-2-hydroxybutyrate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group
10.03
-
D-2-hydroxybutyrate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.35
-
-
Oryza sativa Indica Group

pH Range

pH Minimum pH Maximum Comment Organism
7 10 pH 7.0: about 50% of maximal activity, pH 10.0: about 70% of maximal activity Oryza sativa Indica Group

General Information

General Information Comment Organism
malfunction under methylglyoxal treatment, silencing of OsD-LDH in rice results in the accumulation of methylglyoxal and D-lactate, the decrease of reduced glutathione in leaves, and ultimately severe growth inhibition. The silencing of OsD-LDH does not affect the growth under photorespiration conditions Oryza sativa Indica Group
metabolism the enzyme participates in methylglyoxal metabolism by affecting the activity of the glyoxalase system and aldoketo reductases Oryza sativa Indica Group

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
38.1
-
(R)-lactate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group
139
-
D-2-hydroxybutyrate cosubstrate: phenazine methosulfate and 2,6-dichlorophenolindophenol, pH 8.35, 25°C Oryza sativa Indica Group
675
-
(R)-lactate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group
869
-
D-2-hydroxybutyrate cosubstrate: ferrocytochrome c, pH 8.35, 25°C Oryza sativa Indica Group