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  2. α-Ketoglutaric acid - Wikipedia

    en.wikipedia.org/wiki/Α-Ketoglutaric_acid

    "Ketoglutaric acid" and "ketoglutarate", when not qualified as α or β, almost always refers respectively to α-ketoglutaric acid or α-ketoglutarate. [2] β-Ketoglutarate does not have the biological actions that α-ketoglutarate has; it is even suggested to inhibit at least one action of α-ketoglutarate (see the following section titled ...

  3. Transaminase - Wikipedia

    en.wikipedia.org/wiki/Transaminase

    Animals must metabolize proteins to amino acids, at the expense of muscle tissue, when blood sugar is low. The preference of liver transaminases for oxaloacetate or alpha-ketoglutarate plays a key role in funneling nitrogen from amino acid metabolism to aspartate and glutamate for conversion to urea for excretion of nitrogen.

  4. Transamination - Wikipedia

    en.wikipedia.org/wiki/Transamination

    In the first stage, alpha amino group of the aminoacid is transferred to PLP yielding an alpha ketoacid and PMP. In the second stage of the reaction, in which the amino group of PMP is transferred to a different alpha Ketoacid to yield a new alpha amino acid and PLP. The product of transamination reactions depend on the availability of α-keto ...

  5. Calcium alpha-ketoglutarate - Wikipedia

    en.wikipedia.org/wiki/Calcium_alpha-ketoglutarate

    Calcium-alpha-ketoglutarate (C 5 H 4 CaO 5 •H 2 O) is a special form mineral calcium that can be used to restore calcium concentration level in the blood back to normal. Calcium-alpha-ketoglutarate binds excess phosphate and pass it as a waste, re-establishing normal balance of calcium and phosphate in the body.

  6. Oxoglutarate dehydrogenase complex - Wikipedia

    en.wikipedia.org/wiki/Oxoglutarate_dehydrogenase...

    α-ketoglutarate + NAD + + CoA → Succinyl CoA + CO 2 + NADH Oxoglutarate dehydrogenase (α-Ketoglutarate dehydrogenase) This reaction proceeds in three steps: decarboxylation of α-ketoglutarate, reduction of NAD + to NADH, and subsequent transfer to CoA, which forms the end product, succinyl CoA. ΔG°' for this reaction is -7.2 kcal mol −1.

  7. Amino acid synthesis - Wikipedia

    en.wikipedia.org/wiki/Amino_acid_synthesis

    The α-ketoglutarate family of amino acid synthesis (synthesis of glutamate, glutamine, proline and arginine) begins with α-ketoglutarate, an intermediate in the Citric Acid Cycle. The concentration of α-ketoglutarate is dependent on the activity and metabolism within the cell along with the regulation of enzymatic activity.

  8. Isocitrate dehydrogenase - Wikipedia

    en.wikipedia.org/wiki/Isocitrate_dehydrogenase

    Isocitrate dehydrogenase (IDH) (EC 1.1.1.42) and (EC 1.1.1.41) is an enzyme that catalyzes the oxidative decarboxylation of isocitrate, producing alpha-ketoglutarate (α-ketoglutarate) and CO 2. This is a two-step process, which involves oxidation of isocitrate (a secondary alcohol ) to oxalosuccinate (a ketone ), followed by the ...

  9. Glutaminolysis - Wikipedia

    en.wikipedia.org/wiki/Glutaminolysis

    The conversion of the amino acid glutamine to α-ketoglutarate takes place in two reaction steps: Conversion of glutamine to α-ketoglutarate. 1. Hydrolysis of the amino group of glutamine yielding glutamate and ammonium. Catalyzing enzyme: glutaminase (EC 3.5.1.2) 2. Glutamate can be excreted or can be further metabolized to α-ketoglutarate.

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