Fmn ( flavin mononucleotide ) a derivative of riboflavin that is a coenzyme in electron - transfer reactions 黄素单核苷酸（ fmn ） ：核黄素的衍生物，在电子传递反应中是一种辅酶，作为多种脱氢酶的辅助因子起作用。
2.
Flavoprotein a conjugated protein in which a flavin ( fad or fmn ) is the prosthetic group joined to a protein component 黄素蛋白：一种以黄素核苷酸（黄素腺嘌呤二核苷酸fad或黄素单核苷酸fmn ）为辅基的结合蛋白。
