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2. Diamine oxidase - Wikipedia

   en.wikipedia.org/wiki/Diamine_oxidase

   Diamine oxidase (DAO), also known "amine oxidase, copper-containing, 1" (AOC1), formerly called histaminase, [1] is an enzyme (EC 1.4.3.22) involved in the metabolism, oxidation, and inactivation of histamine and other polyamines such as putrescine or spermidine. The enzyme belongs to the amine oxidase (copper-containing) (AOC) family of amine ...

3. D-amino acid oxidase - Wikipedia

   en.wikipedia.org/wiki/D-amino_acid_oxidase

   D-amino acid oxidase (DAAO; also OXDA or DAMOX) is an enzyme with the function on a molecular level to oxidize D-amino acids to the corresponding α-keto acids, producing ammonia and hydrogen peroxide. This results in a number of physiological effects in various systems, most notably the brain.

4. Amine oxidase (copper-containing) - Wikipedia

   en.wikipedia.org/wiki/Amine_oxidase_(copper...

   Amine oxidase (copper-containing) (AOC) (EC 1.4.3.21 and EC 1.4.3.22; formerly EC 1.4.3.6) is a family of amine oxidase enzymes which includes both primary-amine oxidase and diamine oxidase; these enzymes catalyze the oxidation of a wide range of biogenic amines including many neurotransmitters, histamine and xenobiotic amines.

5. Oxidase test - Wikipedia

   en.wikipedia.org/wiki/Oxidase_test

   The oxidase test is used to determine whether an organism possesses the cytochrome c oxidase enzyme. The test is used as an aid for the differentiation of Neisseria , Moraxella , Campylobacter and Pasteurella species (oxidase positive).

6. Histamine intolerance - Wikipedia

   en.wikipedia.org/wiki/Histamine_intolerance

   The primary cause of histamine intolerance is considered by several authors [6] [21] to be insufficient activity or reduced levels of the enzyme diamine oxidase (DAO), which normally metabolizes histamine in the gut; these scholars suspect the factors that may contribute to histamine include endogenous overproduction of histamine due to ...

7. Aromatic L-amino acid decarboxylase - Wikipedia

   en.wikipedia.org/wiki/Aromatic_L-amino_acid_de...

   Aromatic L-amino acid decarboxylase is active as a homodimer.Before addition of the pyridoxal phosphate cofactor, the apoenzyme exists in an open conformation. Upon cofactor binding, a large structural transformation occurs as the subunits pull closer and close the active site.

8. Oxidase - Wikipedia

   en.wikipedia.org/wiki/Oxidase

   In biochemistry, an oxidase is an oxidoreductase (any enzyme that catalyzes a redox reaction) that uses dioxygen (O 2) as the electron acceptor. In reactions involving donation of a hydrogen atom, oxygen is reduced to water (H 2 O) or hydrogen peroxide (H 2 O 2 ).

9. Tollens' reagent - Wikipedia

   en.wikipedia.org/wiki/Tollens'_reagent

   The diamine silver(I) complex in the mixture is an oxidizing agent and is the essential reactant in Tollens' reagent. The test is generally carried out in a test tube in a warm water bath. In a positive test, the diamine silver(I) complex oxidizes the aldehyde to a carboxylate ion and in the process is reduced to elemental silver and aqueous ...