[Composition and properties of cholesterol oxidase from Actinomyces lavendulae]. 1981

L Ia Petrova, and O I Glubokovskaia, and G M Podsukhina, and A A Selezneva

The composition of cholesterol oxidase isolated by different methods from the Actinomyces lavendulae mycelium was studied by gel-chromatography. It was shown that depending on the isolation conditions the enzyme can be detected within the complexes with different molecular weights. The values of pH, pI and Km for the isolated components were determined. The thermal inactivation of the cholesterol oxidase components at different temperature intervals was investigated.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D002789 Cholesterol Oxidase An enzyme that catalyzes the oxidation of cholesterol in the presence of molecular oxygen to 4-cholesten-3-one and hydrogen peroxide. The enzyme is not specific for cholesterol, but will also oxidize other 3-hydroxysteroids. EC 1.1.3.6. Oxidase, Cholesterol
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000190 Actinomyces A genus of gram-positive, rod-shaped bacteria whose organisms are nonmotile. Filaments that may be present in certain species are either straight or wavy and may have swollen or clubbed heads.
D015096 3-Hydroxysteroid Dehydrogenases Catalyze the oxidation of 3-hydroxysteroids to 3-ketosteroids. 3-beta-Hydroxysteroid Dehydrogenase,3 Hydroxysteroid Dehydrogenases,3 beta Hydroxysteroid Dehydrogenase,Dehydrogenase, 3-beta-Hydroxysteroid,Dehydrogenases, 3 Hydroxysteroid,Dehydrogenases, 3-Hydroxysteroid,Hydroxysteroid Dehydrogenases, 3

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