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Literature summary extracted from

  • Nelson, M.J.K.; Snell, E.E.
    Enzymes of vitamin B6 degradation. Purification and properties of 5-pyridoxic-acid oxygenase from Arthrobacter sp (1986), J. Biol. Chem., 261, 15115-15120.
    View publication on PubMed

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.14.13.241 0.01
-
NADPH
-
Arthrobacter sp.
1.14.13.241 0.036
-
5-pyridoxate
-
Arthrobacter sp.
1.14.13.241 0.125
-
O2
-
Arthrobacter sp.

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.13.241 cytoplasm
-
Arthrobacter sp. 5737
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.14.13.241 35000
-
native enzyme, gel filtration Arthrobacter sp.
1.14.13.241 39200
-
native enzyme, sedimentation velocity Arthrobacter sp.
1.14.13.241 40000
-
4 * 40000, SDS-PAGE Pseudomonas sp.
1.14.13.241 51000
-
SDS-PAGE Arthrobacter sp.

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.13.241 3-hydroxy-4-hydroxymethyl-2-methylpyridine-5-carboxylate + NADPH + O2 + H3O+ Pseudomonas sp. bacterial vitamin B6 degradation pathway 2-(acetamidomethylene)-3-(hydroxymethyl)succinate + NADP+ + H2O
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.14.13.241 Arthrobacter sp.
-
-
-
1.14.13.241 Arthrobacter sp. Cr7
-
-
-
1.14.13.241 Pseudomonas sp.
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.14.13.241
-
Pseudomonas sp.
1.14.13.241
-
Arthrobacter sp.

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.14.13.241 8.5
-
-
Pseudomonas sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.13.241 3-hydroxy-2-methylpyridine-5-carboxylic acid + NADH poorly utilized substrate analoge Arthrobacter sp. 2-[(acetylamino)methylene]succinate + NAD+ + H2O
-
?
1.14.13.241 3-hydroxy-2-methylpyridine-5-carboxylic acid + NADH poorly utilized substrate analoge Arthrobacter sp. Cr7 2-[(acetylamino)methylene]succinate + NAD+ + H2O
-
?
1.14.13.241 3-hydroxy-4-hydroxymethyl-2-methylpyridine-5-carboxylate + NADPH + O2 + H3O+ bacterial vitamin B6 degradation pathway Pseudomonas sp. 2-(acetamidomethylene)-3-(hydroxymethyl)succinate + NADP+ + H2O
-
?
1.14.13.241 5-pyridoxic acid + NADPH + O2 + H3O+
-
Pseudomonas sp. 2-(acetylaminomethylene)succinate + NADP+ + H2O
-
?
1.14.13.241 5-pyridoxic acid + NADPH + O2 + H3O+
-
Arthrobacter sp. 2-(acetylaminomethylene)succinate + NADP+ + H2O
-
?
1.14.13.241 5-pyridoxic acid + NADPH + O2 + H3O+
-
Arthrobacter sp. Cr7 2-(acetylaminomethylene)succinate + NADP+ + H2O
-
?

Subunits

EC Number Subunits Comment Organism
1.14.13.241 monomer 1 * 51000, SDS-PAGE Arthrobacter sp.
1.14.13.241 tetramer 4 * 40000, SDS-PAGE Pseudomonas sp.

Synonyms

EC Number Synonyms Comment Organism
1.14.13.241 5-pyridoxic-acid oxygenase
-
Arthrobacter sp.
1.14.13.241 compound I oxygenase
-
Pseudomonas sp.

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
1.14.13.241 7 8
-
Arthrobacter sp.
1.14.13.241 7.5
-
-
Arthrobacter sp.

pH Range

EC Number pH Minimum pH Maximum Comment Organism
1.14.13.241 5.8 8.6
-
Arthrobacter sp.

Cofactor

EC Number Cofactor Comment Organism Structure
1.14.13.241 FAD
-
Pseudomonas sp.
1.14.13.241 FAD one FAD per subunit, FMN or riboflavin do not replace FAD as coenzyme Arthrobacter sp.
1.14.13.241 NADH
-
Pseudomonas sp.
1.14.13.241 NADH
-
Arthrobacter sp.
1.14.13.241 NADPH
-
Pseudomonas sp.
1.14.13.241 NADPH
-
Arthrobacter sp.