FMN adenylyltransferase () is an enzyme that catalyzes the reversible chemical reaction that produces flavin adenine dinucleotide from adenosine triphosphate and flavin mononucleotide (FMN).
Function Flavin adenine dinucleotide, is a coenzyme found in all organisms. It is produced by FMN adenylyltransferase, which combines adenosine triphosphate and flavin mononucleotide, with inorganic pyrophosphate (PPi) produced as a byproduct:
The enzyme has been characterised from yeast, plants and humans.
Nomenclature The enzyme is a transferase, specifically one transferring phosphorus-containing nucleotide groups (nucleotidyltransferases). The systematic name of this enzyme class is ATP:FMN adenylyltransferase. Other names in common use include FAD pyrophosphorylase riboflavin mononucleotide adenylyltransferase adenosine triphosphate-riboflavin mononucleotide transadenylase adenosine triphosphate-riboflavine mononucleotide transadenylase FAD synthetase riboflavin adenine dinucleotide pyrophosphorylase
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