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Flavin adenine dinucleotide consists of two portions: the adenine nucleotide (adenosine monophosphate) and the flavin mononucleotide (FMN) bridged together through their phosphate groups. Adenine is bound to a cyclic ribose at the 1' carbon, while phosphate is bound to the ribose at the 5' carbon to form the adenine nucledotide.
The flavin group is capable of undergoing oxidation-reduction reactions, and can accept either one electron in a two-step process or two electrons at once. Reduction is made with the addition of hydrogen atoms to specific nitrogen atoms on the isoalloxazine ring system: Equilibrium between the oxidized (left) and totally reduced (right) forms ...
Flavoproteins have either FMN (flavin mononucleotide) or FAD (flavin adenine dinucleotide) as a prosthetic group or as a cofactor. The flavin is generally tightly bound (as in adrenodoxin reductase, wherein the FAD is buried deeply). [1] About 5-10% of flavoproteins have a covalently linked FAD. [2]
It is a starting compound in the synthesis of the coenzymes flavin mononucleotide (FMN, also known as riboflavin-5'-phosphate) and flavin adenine dinucleotide (FAD). FAD is the more abundant form of flavin, reported to bind to 75% of the number of flavin-dependent protein encoded genes in the all-species genome (the flavoproteome) [ 6 ] [ 7 ...
The enzyme 4-hydroxybenzoate 3-monooxygenase, also commonly referred to as para-hydroxybenzoate hydroxylase (PHBH), is a flavoprotein belonging to the family of oxidoreductases. Specifically, it is a hydroxylase , and is one of the most studied enzymes and catalyzes reactions involved in soil detoxification, metabolism , and other biosynthetic ...
In enzymology, a FMN adenylyltransferase (EC 2.7.7.2) is an enzyme that catalyzes the chemical reaction. ATP + FMN diphosphate + FAD. Thus, the two substrates of this enzyme are ATP and FMN, whereas its two products are diphosphate and FAD.
66945 Ensembl ENSG00000073578 ENSMUSG00000021577 UniProt P31040 Q8K2B3 RefSeq (mRNA) NM_001294332 NM_004168 NM_001330758 NM_023281 RefSeq (protein) NP_001281261 NP_001317687 NP_004159 NP_075770 Location (UCSC) Chr 5: 0.22 – 0.26 Mb Chr 13: 74.47 – 74.5 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Succinate dehydrogenase complex, subunit A, flavoprotein variant is a protein ...
Adenine derivatives have various roles in biochemistry including cellular respiration, in the form of both the energy-rich adenosine triphosphate (ATP) and the cofactors nicotinamide adenine dinucleotide (NAD), flavin adenine dinucleotide (FAD) and Coenzyme A. It also has functions in protein synthesis and as a chemical component of DNA and RNA ...