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Literature summary for 1.1.3.9 extracted from

  • Mendoca, M.H.; Zancan, G.T.
    Purification and characterization of intracellular galactose oxidase from Dactylium dendroides (1987), Arch. Biochem. Biophys., 252, 507-514.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
CN- intracellular enzyme, 37% inhibition at 0.01 mM Hypomyces rosellus
diethyldithiocarbamate intracellular enzyme, 87% inhibition at 0.005 mM Hypomyces rosellus
H2O2 42% inhibition at 2 mM Hypomyces rosellus
hydroxylamine intracellular enzyme, 47% inhibition at 0.1 mM Hypomyces rosellus
iodoacetamide 22% inhibition at 0.1 mM Hypomyces rosellus
NaN3 54% inhibition at 0.1 mM Hypomyces rosellus

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Hypomyces rosellus
-
-
intracellular
-
Hypomyces rosellus 5622
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+
-
Hypomyces rosellus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
72000
-
gel filtration, intracellular form Hypomyces rosellus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2-deoxy-D-galactose + O2 Hypomyces rosellus 52% of the activity compared to D-galactose 2-deoxy-D-galacto-hexodialdose + H2O2
-
?
beta-D-lactose + O2 Hypomyces rosellus low activity beta-D-lacto-hexodialdose + H2O2
-
?
beta-D-lactose + O2 Hypomyces rosellus high activity beta-D-lacto-hexodialdose + H2O2
-
?
D-galactosamine + O2 Hypomyces rosellus
-
? + H2O2
-
?
D-galactosylpyranoside + O2 Hypomyces rosellus
-
D-galacto-hexodialdose + H2O2
-
?
dihydroxyacetone + O2 Hypomyces rosellus best substrate for both intra- and extracellular enzymes 3-hydroxy-2-oxo-propionaldehyde + H2O2
-
?
guaran + O2 Hypomyces rosellus only intracellular enzyme ? + H2O2
-
?
melibiose + O2 Hypomyces rosellus
-
? + H2O2
-
?
raffinose + O2 Hypomyces rosellus
-
? + H2O2
-
?
stachyose + O2 Hypomyces rosellus only intracellular enzyme ? + H2O2
-
?

Organism

Organism UniProt Comment Textmining
Hypomyces rosellus
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein intracellular form highly glycosylated, extracellular form less glycosylated Hypomyces rosellus

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, intra- and extracellular forms, 1step chromatography Hypomyces rosellus

Source Tissue

Source Tissue Comment Organism Textmining
mycelium
-
Hypomyces rosellus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
116
-
intracellular enzyme Hypomyces rosellus

Storage Stability

Storage Stability Organism
-17°C, stable for 6 months Hypomyces rosellus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-O-methyl-alpha-D-galactosylpyranoside + O2
-
Hypomyces rosellus 1-O-methyl-alpha-D-galacto-hexodialdose + H2O2
-
?
2-deoxy-D-galactose + O2 52% of the activity compared to D-galactose Hypomyces rosellus 2-deoxy-D-galacto-hexodialdose + H2O2
-
?
allyl alcohol + O2 only extracelluar enzyme, low activity Hypomyces rosellus acrolein + H2O2
-
?
beta-D-lactose + O2 low activity Hypomyces rosellus beta-D-lacto-hexodialdose + H2O2
-
?
beta-D-lactose + O2 high activity Hypomyces rosellus beta-D-lacto-hexodialdose + H2O2
-
?
beta-hydroxypyruvate + O2 only extracellular enzyme, low activity Hypomyces rosellus 2,3-dioxopropionate + H2O2
-
?
D-galactosamine + O2
-
Hypomyces rosellus ? + H2O2
-
?
D-galactosylpyranoside + O2
-
Hypomyces rosellus D-galacto-hexodialdose + H2O2
-
?
dihydroxyacetone + O2 best substrate for both intra- and extracellular enzymes Hypomyces rosellus 3-hydroxy-2-oxo-propionaldehyde + H2O2
-
?
glycerol + O2 only extracelluar enzyme, low activity Hypomyces rosellus (S)-glyceraldehyde + H2O2
-
?
glycoaldehyde + O2 only extracellular enzyme, low activity Hypomyces rosellus glyoxal + H2O2
-
?
guaran + O2 only intracellular enzyme Hypomyces rosellus ? + H2O2
-
?
melibiose + O2
-
Hypomyces rosellus ? + H2O2
-
?
o-nitrophenyl beta-D-galactoside + O2
-
Hypomyces rosellus 1-O-(o-nitrophenyl)-alpha-D-galactohexodialdose + H2O2
-
?
raffinose + O2
-
Hypomyces rosellus ? + H2O2
-
?
stachyose + O2 only intracellular enzyme Hypomyces rosellus ? + H2O2
-
?

Subunits

Subunits Comment Organism
monomer 1 * 72000, SDS-PAGE, intracellular form Hypomyces rosellus