... Abstract The substrate of bacterial luciferase – flavin mononucleotide was activated by N- methylimidazole on phosphate group. ... The reduced form of activated FMN derivative possesses different properties in dependence from the method of its reduction. ... The activated FMN derivative competes for a active site of enzyme with native FMN. ... Moscow University Chemistry Bulletin . 2003, Vol. ... Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ...