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Literature summary for 1.1.1.26 extracted from

  • Betsche, T.; Schaller, D.; Melkonian, M.
    Identification and characteriaztion of glycolate oxidase and related enzymes from the endocyanotic alga Cyanophora paradoxa and from pea leaves (1992), Plant Physiol., 98, 887-893.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Acetohydroxamate inhibits only the cytosolic enzyme type with preference for glyoxylate as substrate Pisum sativum
MOPS buffer 50 mM at acidic and alkaline pH Cyanophora paradoxa
oxalate inhibits only the cytosolic enzyme type with preference for hydroxypyruvate as substrate Pisum sativum
Tartronate inhibits only the cytosolic enzyme type with preference for hydroxypyruvate as substrate Pisum sativum

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast utilizes NADH and NADPH equally Pisum sativum 9507
-
cyanelle
-
Cyanophora paradoxa 9842
-
cytosol NADP+/NADPH preferring type Pisum sativum 5829
-
peroxisome NAD+/NADH preferring type Pisum sativum 5777
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
glycolate + NAD+ Cyanophora paradoxa
-
glyoxylate + NADH
-
r
glycolate + NAD+ Pisum sativum
-
glyoxylate + NADH
-
r
glyoxylate + NADH Cyanophora paradoxa
-
glycolate + NAD+
-
r
glyoxylate + NADH Pisum sativum
-
glycolate + NAD+
-
r
hydroxypyruvate + NADH Cyanophora paradoxa
-
D-glycerate + NAD+
-
r
hydroxypyruvate + NADH Pisum sativum
-
D-glycerate + NAD+
-
r

Organism

Organism UniProt Comment Textmining
Cyanophora paradoxa
-
-
-
Pisum sativum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Cyanophora paradoxa
-
Pisum sativum

Reaction

Reaction Comment Organism Reaction ID
glycolate + NAD+ = glyoxylate + NADH + H+ can convert L-lactate Pisum sativum

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Pisum sativum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.032
-
0.5 mM NADPH Pisum sativum
0.044
-
75 mM NADH Cyanophora paradoxa
0.077
-
0.5 mM NADH Pisum sativum
0.095
-
0.5 mM NADPH Cyanophora paradoxa
0.096
-
0.5 mM NADH Cyanophora paradoxa
0.11
-
0.5 mM NADPH Cyanophora paradoxa
0.134
-
0.5 mM NADH Cyanophora paradoxa
0.16
-
0.5 mM NADPH Pisum sativum
0.205
-
NADH Pisum sativum
0.738
-
0.5 mM NADH Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
glycolate + NAD+
-
Cyanophora paradoxa glyoxylate + NADH
-
r
glycolate + NAD+
-
Pisum sativum glyoxylate + NADH
-
r
glyoxylate + NADH
-
Cyanophora paradoxa glycolate + NAD+
-
r
glyoxylate + NADH
-
Pisum sativum glycolate + NAD+
-
r
glyoxylate + NADH equilibrium is very far in direction of glycolate formation Cyanophora paradoxa glycolate + NAD+
-
r
glyoxylate + NADH equilibrium is very far in direction of glycolate formation Pisum sativum glycolate + NAD+
-
r
hydroxypyruvate + NADH
-
Cyanophora paradoxa D-glycerate + NAD+
-
r
hydroxypyruvate + NADH
-
Pisum sativum D-glycerate + NAD+
-
r

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.9
-
Tes/K+, substrate glyoxylate Cyanophora paradoxa
8.2
-
Tris/HCl, substrate glyoxylate Cyanophora paradoxa

pH Range

pH Minimum pH Maximum Comment Organism
6.5 11
-
Cyanophora paradoxa

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Pisum sativum
NAD+ can also utilize NADP+ or O2 (reduction to H2O2) as cofactors Cyanophora paradoxa
NADH
-
Pisum sativum
NADH can also utilize NADPH or O2 (reduction to H2O2) as cofactors Cyanophora paradoxa