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[Determination of L-amino acid oxidase activity]. 1987

T T Berezov, and E V Lukasheva, and I P Smirnova

Activity of L-amino acid oxidases was studied using several procedures. Optimal concentrations of L-lysine-alpha-oxidase, suitable for each procedure, were established involving highly purified preparations of the enzyme from Trichoderma sp. Estimation of the enzymatic activity carried out by means of calculation of the reduced cofactor accumulated led to two-fold exceeding of the results. The most sensitive procedure was based on evaluation of ammonium content in the reaction catalyzed by glutamate dehydrogenase and the procedure where peroxidase and o-dianizidine were used.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D008239 Lysine An essential amino acid. It is often added to animal feed. Enisyl,L-Lysine,Lysine Acetate,Lysine Hydrochloride,Acetate, Lysine,L Lysine
D008249 Protein-Lysine 6-Oxidase An enzyme oxidizing peptidyl-lysyl-peptide in the presence of water & molecular oxygen to yield peptidyl-allysyl-peptide plus ammonia & hydrogen peroxide. EC 1.4.3.13. Lysyl Oxidase,Collagen Lysyl Oxidase,6-Oxidase, Protein-Lysine,Lysyl Oxidase, Collagen,Oxidase, Collagen Lysyl,Oxidase, Lysyl,Protein Lysine 6 Oxidase
D008722 Methods A series of steps taken in order to conduct research. Techniques,Methodological Studies,Methodological Study,Procedures,Studies, Methodological,Study, Methodological,Method,Procedure,Technique
D000594 Amino Acid Oxidoreductases A class of enzymes that catalyze oxidation-reduction reactions of amino acids. Acid Oxidoreductases, Amino,Oxidoreductases, Amino Acid
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer
D013379 Substrate Specificity A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts. Specificities, Substrate,Specificity, Substrate,Substrate Specificities

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