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MoleculeMETABOLITE RECORD

FAD

Oxidized flavin adenine dinucleotide, an electron acceptor in the TCA cycle and beta-oxidation.

Citric acid cycleHomo sapiens
REFERENCE IDENTIFIERCHEBI:16238ChEBI record
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FAD is a small molecule that cells make, use, or change in connected metabolic reactions.

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Record type: molecule. Oxidized flavin adenine dinucleotide, an electron acceptor in the TCA cycle and beta-oxidation.
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Used inCitric acid cycleUsed inFatty acid β-oxidationUsed inBranched-chain amino acid catabolismHandled bySuccinate dehydrogenaseHandled byVery-long-chain acyl-CoA dehydrogenaseHandled byIsovaleryl-CoA dehydrogenase
STRUCTURED REACTIONS

Where it appears

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6

Succinate oxidation

Succinate dehydrogenase oxidizes succinate to fumarate and reduces enzyme-bound FAD.

Citric acid cycle · irreversible
2

First oxidation

Acyl-CoA dehydrogenase forms a trans double bond between alpha and beta carbons.

Fatty acid β-oxidation · irreversible