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Literature summary for 1.1.3.8 extracted from

  • Yagi, K.; Nishimi, M.
    Expression of recombinant L-gulono-gamma-lactone oxidase (1997), Methods Enzymol., 279, 24-29.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in COS1-cells Rattus norvegicus
expressed in silkworm cell line BmN4 with baculovirus vector Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
51000
-
expressed in silkworm cells, SDS-PAGE Rattus norvegicus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-gulono-1,4-lactone + O2 Rattus norvegicus
-
L-xylo-hex-3-ulonolactone + H2O2
-
?

Organism

Organism UniProt Comment Textmining
no activity in Cavia porcellus
-
guinea pig
-
no activity in Homo sapiens
-
-
-
no activity in primates
-
-
-
Rattus norvegicus
-
-
-

Reaction

Reaction Comment Organism Reaction ID
L-gulono-1,4-lactone + O2 = L-xylo-hex-2-ulono-1,4-lactone + H2O2 product isomerizes spontaneously to L-ascorbate Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.016 0.02 enzyme expressed in silkworm cells Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-gulono-1,4-lactone + O2
-
Rattus norvegicus L-xylo-hex-3-ulonolactone + H2O2
-
?
L-gulono-1,4-lactone + O2
-
Rattus norvegicus L-xylo-hex-3-ulonolactone + H2O2 product isomerizes spontaneously to L-ascorbate ?

Synonyms

Synonyms Comment Organism
GLO
-
Rattus norvegicus

Cofactor

Cofactor Comment Organism Structure
FAD covalently-bound Rattus norvegicus