. "FMN is required to mediate the transfer of reducing equivalents from NADH to the active site iron." . "This is the last enzyme in the biosynthetic pathway of fosfomycin, a broad-spectrum antibiotic produced by certain Streptomyces species." . . . "2-hydroxypropylphosphonic acid epoxidase" . "HPP epoxidase" . "(S)-2-hydroxypropylphosphonic acid epoxidase" . "(S)-2-hydroxypropylphosphonate epoxidase" . "(S)-2-hydroxypropylphosphonate + NADH + O(2) = (1R,2S)-epoxypropylphosphonate + 2 H(2)O + NAD(+)." . "Iron" . .