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Literature summary extracted from

  • Koller, F.; Hoffmann-Ostenhof, O.
    myo-Inositol oxygenase from rat kidneys. I: Purification by affinity chromatography; physical and catalytic properties (1979), Hoppe-Seyler's Z. Physiol. Chem., 360, 507-513.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.13.99.1 2,4,6-Tripyridyl-(2)-1,3,5-triazine
-
Rattus norvegicus
1.13.99.1 o-phenanthroline
-
Rattus norvegicus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.13.99.1 0.0095
-
O2
-
Rattus norvegicus
1.13.99.1 45
-
myo-inositol
-
Rattus norvegicus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
1.13.99.1 Fe2+ iron protein Rattus norvegicus
1.13.99.1 Fe2+ contains iron most probably in divalent form, enzyme consisting of 16 subunits contains 8 iron atoms per molecule Rattus norvegicus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
1.13.99.1 17000
-
4 * 17000, gel filtration, smallest active unit is tetramer, which is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 17000
-
8 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 17000
-
12 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 17000
-
16 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus

Organism

EC Number Organism UniProt Comment Textmining
1.13.99.1 Rattus norvegicus
-
-
-

Oxidation Stability

EC Number Oxidation Stability Organism
1.13.99.1 Highly unstable in presence of oxygen, in early stages of inactivation: reactivation by reducing agents like NaBH4 Rattus norvegicus

Purification (Commentary)

EC Number Purification (Comment) Organism
1.13.99.1
-
Rattus norvegicus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.13.99.1 kidney
-
Rattus norvegicus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.13.99.1 additional information
-
-
Rattus norvegicus

Subunits

EC Number Subunits Comment Organism
1.13.99.1 dodecamer 12 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 hexadecamer 16 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 octamer 8 * 17000, smallest active unit is tetramer, it is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus
1.13.99.1 tetramer 4 * 17000, gel filtration, smallest active unit is tetramer, which is in a pH-dependent equilibrium with species consisting of 8, 12 and 16 subunits Rattus norvegicus