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Literature summary extracted from

  • Driscoll, J.J.; Kosman, D.J.
    Solvent and solvent proton dependent steps in the galactose oxidase reaction (1987), Biochemistry, 26, 3429-3436.
    View publication on PubMed

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.1.3.9 Cu2+
-
 Hypomyces rosellus

Organism

EC Number Organism UniProt Comment Textmining
1.1.3.9 Hypomyces rosellus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.1.3.9 mycelium
-
 Hypomyces rosellus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.1.3.9 1-O-methyl-beta-D-galactosylpyranoside + O2 transfer of one electron to O2 in a transition state which is stabilized by a hydrogen bond from the Cu2+-OH2, a rate determining electron transfer that is catalyzed by partial proton transfer Hypomyces rosellus 1-O-methyl-beta-D-galacto-hexodialdose + H2O2
-
 ?
1.1.3.9 1-O-methyl-beta-D-glucosylpyranoside + O2
-
 Hypomyces rosellus 1-O-methyl-beta-D-gluco-hexodialdose + H2O2
-
 ?

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
1.1.3.9 325
-
 1-O-methyl beta-D-galactopyranoside Cu(II)-bound H2O is required in the protonated aquo state for catalysis and is responsible for the kinetic solvent isotope effect Hypomyces rosellus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.1.3.9 6.7
-
-
 Hypomyces rosellus