1.FMN (flavin mononucleotide) A derivative of riboflavin that is a coenzyme in electron-transfer reactions.

1.黄素单核苷酸（FMN）：核黄素的衍生，子传递反应中一辅酶，作为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.

2.一以黄素核苷酸（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。