Flavin mononucleotide
FMN is a flavin mononucleotide that is riboflavin (vitamin B2) in which the primary hydroxy group has been converted to its dihydrogen phosphate ester. It has a role as a coenzyme, a bacterial metabolite, a human metabolite, a mouse metabolite and a cofactor. It is a vitamin B2 and a flavin mononucleotide. It is a conjugate acid of a FMN(3-).