Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 1.3.2.3 extracted from

  • Mutsuda, M.; Ishikawa, T.; Takeda, T.; Shigeoka, S.
    Subcellular localization and properties of L-galactono-gamma-lactone dehydrogenase in spinach leaves (1995), Biosci. Biotechnol. Biochem., 59, 1983-1984.
No PubMed abstract available

General Stability

General Stability Organism
solubilized very labile, but stabilized in the presence of L-galactono-gamma-lactone under aerobic conditions Spinacia oleracea

Inhibitors

Inhibitors Comment Organism Structure
N-ethylmaleimide complete inhibition Spinacia oleracea
p-chloromercuribenzoate complete inhibition Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.18
-
L-galactono-1,4-lactone
-
Spinacia oleracea
0.192
-
L-galactono-gamma-lactone
-
Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
mitochondrion associated membrane protein Spinacia oleracea 5739
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-galactono-1,4-lactone + 2 ferricytochrome c Spinacia oleracea terminal step in L-ascorbic acid biosynthesis L-ascorbate + 2 ferrocytochrome c + 2 H+
-
?

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Spinacia oleracea

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Spinacia oleracea
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-galactono-1,4-lactone + 2 ferricytochrome c terminal step in L-ascorbic acid biosynthesis Spinacia oleracea L-ascorbate + 2 ferrocytochrome c + 2 H+
-
?
L-galactono-1,4-lactone + ferricytochrome c reduces only phenazine methosulfate and cytochrome c Spinacia oleracea L-ascorbate + ferrocytochrome c
-
?
L-galactono-1,4-lactone + ferricytochrome c specific for L-galactono-gamma-lactone Spinacia oleracea L-ascorbate + ferrocytochrome c
-
?
L-galactono-1,4-lactone + ferricytochrome c
-
Spinacia oleracea L-ascorbate + ferrocytochrome c + H+
-
r

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Spinacia oleracea

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Spinacia oleracea