1.1.1.316: L-galactose 1-dehydrogenase

This is an abbreviated version!
For detailed information about L-galactose 1-dehydrogenase, go to the full flat file.

Reaction

Synonyms

GALDH, GDH, L-galactose 1-dehydrogenase, L-galactose dehydrogenase, L-GalDH

ECTree

     1 Oxidoreductases

         1.1 Acting on the CH-OH group of donors

             1.1.1 With NAD⁺ or NADP⁺ as acceptor

                1.1.1.316 L-galactose 1-dehydrogenase

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Results	in table
4	Activating Compound
46	AA Sequence
8	Cloned(Commentary)
16	Cofactor
1	Crystallization (Commentary)
2	Expression
9	General Information
8	Inhibitors
2	Ki Value [mM]
13	KM Value [mM]
1	Localization
13	Molecular Weight [Da]
10	Natural Substrates/ Products (Substrates)
14	Organism
6	Pathway
6	pH Optimum
8	Purification (Commentary)
2	Reaction
14	Reference
18	Source Tissue
5	Specific Activity [micromol/min/mg]
30	Substrates and Products (Substrate)
8	Subunits
20	Synonyms
1	Systematic Name
3	Temperature Optimum [°C]

General Information

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General Information on EC 1.1.1.316 - L-galactose 1-dehydrogenase

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GENERAL INFORMATION

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

metabolism

8 entries

physiological function

Malus domestica

Q84L20

specific activity depends on leaf age

713296

metabolism

Spinacia oleracea

Q6BDJ2

key enzyme in the biosynthetic pathway of L-ascorbate in plants

713254

metabolism

Pisum sativum

-

role in ascorbate biosynthesis

713274

metabolism

Arabidopsis thaliana

O81884

role in ascorbate biosynthesis

713274

metabolism

Citrus sinensis

-

the enzyme is involved in the ascorbate bioosynthesis in fruits

725792

metabolism

Citrus unshiu

E9M5S4

the enzyme is involved in the ascorbate bioosynthesis in fruits

725792

metabolism

Ulva compressa

-

the enzyme is involved in the ascorbate bioosynthesis in fruits

726199

metabolism

Oryza sativa

-

key enzyme in the biosynthesis of ascorbic acid

739807

metabolism

Actinidia eriantha

C0LVA5

L-ascorbic acid (AsA) biosynthesis through the L-galactose pathway supplemented by D-galacturonic acid pathway and AsA recycling collectively contributes to accumulating and remaining higher AsA level in kiwifruit cv. White during postharvest. L-Galactose dehydrogenase (GalDH) activity and relative expressions of the genes encoding GDP-D-mannose diphosphorylase (GMP), L-galactose-1-P phosphatase (GPP), GDP-L-galactose phosphorylase (GGP), GalDH and GalUR are important for regulation of AsA biosynthesis. The genes including GMP, GME, GGP, GPP, GalDH, and GalLDH involve in L-galactose pathway. The activity and expression of dehydroascorbate reductase (DHAR) are primarily responsible for regulation of AsA recycling in kiwifruit cv. White during postharvest. Changes in activities of enzymes involved in AsA metabolism in the fruit during storage, quantitative real-time PCR expression analysis. GalDH activity is positively correlated with AsA content. GalLDH activity maintains a relatively steady level for the first 17 days of fruit storage, and then decreases a lowest level at 21 days of storage. The expression of GalDH increases sharply during the first 9 days, and then gradually increases to about 4times higher level compared to the initial level whereas, GalLDH is stably expressed with a slight fluctuation during storage

763588