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  2. 6-Phosphogluconate dehydrogenase - Wikipedia

    en.wikipedia.org/wiki/6-phosphogluconate_de...

    It is an oxidative carboxylase that catalyses the oxidative decarboxylation of 6-phosphogluconate into ribulose 5-phosphate in the presence of NADP. This reaction is a component of the hexose mono-phosphate shunt and pentose phosphate pathways (PPP).

  3. Oxidative decarboxylation - Wikipedia

    en.wikipedia.org/wiki/Oxidative_decarboxylation

    TPP is the key catalytic cofactor used by enzymes catalyzing non-oxidative and oxidative decarboxylation of α-keto acids. Pyruvate, for example, undergoes both types of decarboxylation, both involving TPP. In fermentative organisms, pyruvate is non-oxidatively decarboxylated by the TPP-dependent enzyme pyruvate decarboxylase.

  4. Branched-chain alpha-keto acid dehydrogenase complex

    en.wikipedia.org/wiki/Branched-chain_alpha-keto...

    This enzyme complex catalyzes the oxidative decarboxylation of branched, short-chain alpha-ketoacids. BCKDC is a member of the mitochondrial α-ketoacid dehydrogenase complex family, which also includes pyruvate dehydrogenase and alpha-ketoglutarate dehydrogenase, key enzymes that function in the Krebs cycle.

  5. Pyruvate decarboxylation - Wikipedia

    en.wikipedia.org/wiki/Pyruvate_decarboxylation

    Pyruvate decarboxylation or pyruvate oxidation, also known as the link reaction (or oxidative decarboxylation of pyruvate [1]), is the conversion of pyruvate into acetyl-CoA by the enzyme complex pyruvate dehydrogenase complex. [2] [3] The reaction may be simplified as: Pyruvate + NAD + + CoA → Acetyl-CoA + NADH + CO 2

  6. Glutaryl-CoA dehydrogenase - Wikipedia

    en.wikipedia.org/wiki/Glutaryl-CoA_dehydrogenase

    Glutaryl-CoA dehydrogenase (GCDH) is an enzyme encoded by the GCDH gene on chromosome 19.The protein belongs to the acyl-CoA dehydrogenase family (ACD). It catalyzes the oxidative decarboxylation of glutaryl-CoA to crotonyl-CoA and carbon dioxide in the degradative pathway of L-lysine, L-hydroxylysine, and L-tryptophan metabolism.

  7. Pyruvate decarboxylase - Wikipedia

    en.wikipedia.org/wiki/Pyruvate_decarboxylase

    Pyruvate decarboxylase depends on cofactors thiamine pyrophosphate (TPP) and magnesium. This enzyme should not be mistaken for the unrelated enzyme pyruvate dehydrogenase, an oxidoreductase (EC 1.2.4.1), that catalyzes the oxidative decarboxylation of pyruvate to acetyl-CoA.

  8. Acetyl-CoA - Wikipedia

    en.wikipedia.org/wiki/Acetyl-CoA

    The oxidative conversion of pyruvate into acetyl-CoA is referred to as the pyruvate dehydrogenase reaction. It is catalyzed by the pyruvate dehydrogenase complex. Other conversions between pyruvate and acetyl-CoA are possible. For example, pyruvate formate lyase disproportionates pyruvate into acetyl-CoA and formic acid. β-Oxidation of fatty acids

  9. Oxoglutarate dehydrogenase complex - Wikipedia

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

    The oxoglutarate dehydrogenase complex has the same subunit structure and thus uses the same cofactors as the pyruvate dehydrogenase complex and the branched-chain alpha-keto acid dehydrogenase complex (TTP, CoA, lipoate, FAD and NAD). Only the E3 subunit is shared in common between the three enzymes.