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- In enzymology, an L-amino acid oxidase (LAAO) (EC 1.4.3.2) is an enzyme that catalyzes the chemical reaction an L-amino acid + H2O + O2 a 2-oxo acid + NH3 + H2O2 The enzyme was first described in 1944 by A. Zeller and A. Maritz. Not only are LAAOs quite variable in terms of molecular mass, they also vary widely regarding stability. In a similar vein, this enzyme performs in a myriad of biological activities including apoptosis-induction, edema-induction, hemorrhaging, and inhibition or induction of platelet aggregation. As suggested by the name of the family, LAAOs are flavoenzymes which function to catalyze the stereospecific oxidative deamination of an L-amino acid. The three substrates of the enzymatic reaction are an L-amino acid, water, and oxygen, whereas the three products are the corresponding α-keto acid (2-oxo acid), ammonia, and hydrogen peroxide. One example of the enzyme in action occurs with the conversion L-alanine into pyruvic acid (2-oxopropanoic acid), as shown in Figure 1. (en)
- L-アミノ酸オキシダーゼ(L-amino-acid oxidase)は、アミノ酸代謝酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 L-アミノ酸 + H2O + O2 2-オキソ酸 + NH3 + H2O2 反応式の通り、この酵素の基質はL-アミノ酸とH2OとO2、生成物は2-オキソ酸とNH3とH2O2である。補因子としてFADを用いる。 組織名はL-amino-acid:oxygen oxidoreductase (deaminating)である。 (ja)
- Oksydaza L-aminokwasowa (EC 1.4.3.2) - enzym oksydoredukcyjny współdziałający z FMN, występuje u człowieka w nerkach, katalizuje deaminację oksydacyjną naturalnie występujących L-aminokwasów. (pl)
- La L-amminoacido ossidasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: un L-amminoacido + H2O + O2 ⇄ un 2-ossoacido + NH3 + H2O2 L'enzima è una flavoproteina (FAD). La fonte principale di L-amino acido ossidasi è il veleno di serpente, la cui colorazione gialla è dovuta alla presenta in elevate concentrazioni di questo enzima. (it)
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- 17302 (xsd:nonNegativeInteger)
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- L-amino acid oxidase homotetramer, Vipera ammodytes (en)
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- L-amino acid oxidase (en)
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- L-アミノ酸オキシダーゼ(L-amino-acid oxidase)は、アミノ酸代謝酵素の一つで、次の化学反応を触媒する酸化還元酵素である。 L-アミノ酸 + H2O + O2 2-オキソ酸 + NH3 + H2O2 反応式の通り、この酵素の基質はL-アミノ酸とH2OとO2、生成物は2-オキソ酸とNH3とH2O2である。補因子としてFADを用いる。 組織名はL-amino-acid:oxygen oxidoreductase (deaminating)である。 (ja)
- Oksydaza L-aminokwasowa (EC 1.4.3.2) - enzym oksydoredukcyjny współdziałający z FMN, występuje u człowieka w nerkach, katalizuje deaminację oksydacyjną naturalnie występujących L-aminokwasów. (pl)
- La L-amminoacido ossidasi è un enzima appartenente alla classe delle ossidoreduttasi, che catalizza la seguente reazione: un L-amminoacido + H2O + O2 ⇄ un 2-ossoacido + NH3 + H2O2 L'enzima è una flavoproteina (FAD). La fonte principale di L-amino acido ossidasi è il veleno di serpente, la cui colorazione gialla è dovuta alla presenta in elevate concentrazioni di questo enzima. (it)
- In enzymology, an L-amino acid oxidase (LAAO) (EC 1.4.3.2) is an enzyme that catalyzes the chemical reaction an L-amino acid + H2O + O2 a 2-oxo acid + NH3 + H2O2 The enzyme was first described in 1944 by A. Zeller and A. Maritz. Not only are LAAOs quite variable in terms of molecular mass, they also vary widely regarding stability. In a similar vein, this enzyme performs in a myriad of biological activities including apoptosis-induction, edema-induction, hemorrhaging, and inhibition or induction of platelet aggregation. (en)
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- L-amminoacido ossidasi (it)
- L-amino-acid oxidase (en)
- L-アミノ酸オキシダーゼ (ja)
- Oksydaza L-aminokwasowa (pl)
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- L-amino acid oxidase (en)
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