FAD

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flavin

 [fla´vin]
any of a group of water-soluble yellow pigments widely distributed in animals and plants, including riboflavin and yellow enzymes.
flavin adenine dinucleotide (FAD) a coenzyme that is a condensation product of riboflavin phosphate and adenylic acid; it forms the prosthetic group (non–amino acid component) of certain enzymes, including d-amino acid oxidase and xanthine oxidase, and is important in electron transport in mitochondria.
flavin mononucleotide (FMN) a derivative of riboflavin consisting of a three-ring system (isoalloxazine) attached to an alcohol (ribitol); it acts as a coenzyme for a number of oxidative enzymes, including l-amino acid oxidase and cytochrome C reductase.

FAD

Abbreviation for flavin adenine dinucleotide.

FAD

flavin adenine dinucleotide.

FAD

abbr.
flavin adenine dinucleotide

FAD

abbreviation for fetal activity determination. See nonstress test.

BRCA2

A gene on chromosome 13q12.3 that encodes a protein which, like BRCA1, is involved in maintenance of genome stability, especially the homologous recombination pathway for double-stranded DNA repair; like BRCA1, it carries a marked increase in the lifetime risk of breast and ovarian cancer.

FAD

Abbreviation for flavin adenine dinucleotide.

FAD

See FLAVINE ADENINE DINUCLEOTIDE.

FAD (flavin adenine dinucleotide)

an electron carrier similar in action to NAD, picking up hydrogen from succinic acid (succinate) in the KREBS CYCLE. The hydrogen is transported to the mitochondrial cristae where it enters an ELECTRON TRANSPORT SYSTEM at a lower point than NAD, with the release of only two molecules of ATP (rather than three ATP molecules when NAD is the carrier).

FAD

flavine adenine dinucleotide

FAD

Abbreviation for flavin adenine dinucleotide.

FAD,

n abbreviation for
flavinadenine dinucleotide.

FAD

1. oxidized form of flavin adenine dinucleotide.
2. flea allergy dermatitis.