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Literature summary for 1.1.3.5 extracted from

  • Hansen, O.C.; Stougaard, P.
    Hexose oxidase from the red alga Chondrus crispus (1997), J. Biol. Chem., 272, 11581-11587.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information enzyme seems to be activated by proteolytic cleavage of full length protein, remaining polypeptide chains are physically linked together Chondrus crispus

Cloned(Commentary)

Cloned (Comment) Organism
expression in Pichia pastoris Chondrus crispus

Inhibitors

Inhibitors Comment Organism Structure
diethyldithiocarbamate 0.1 mM, 95% inhibition, 0.01 mM, 40% inhibition Chondrus crispus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7
-
D-glucose
-
Chondrus crispus
3.8
-
D-galactose
-
Chondrus crispus

Metals/Ions

Metals/Ions Comment Organism Structure
Cu2+ 2 copper atoms per enzyme molecule of MW 110000 Chondrus crispus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
110000
-
gel filtration Chondrus crispus

Organism

Organism UniProt Comment Textmining
Chondrus crispus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
DEAE-Sepharose, Sephacryl S-200, phenyl-Sepharose, chromatofocusing, native and recombinant enzyme Chondrus crispus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
16
-
-
Chondrus crispus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cellobiose + O2
-
Chondrus crispus 4-O-(beta-D-glucopyranosido)-D-glucono-1,5-lactone + H2O2
-
?
D-galactose + O2
-
Chondrus crispus D-galactono-1,5-lactone + H2O2
-
?
D-glucose + O2
-
Chondrus crispus D-glucono-1,5-lactone + H2O2
-
?
lactose + O2
-
Chondrus crispus 4-O-(beta-D-galactopyranosido)-D-glucono-1,5-lactone + H2O2
-
?
maltose + O2
-
Chondrus crispus 4-O-(alpha-D-glucopyranosido)-D-glucono-1,5-lactone + H2O2
-
?