FIG 1.
Cofactor F420 biosynthetic pathway. 6P-glucone, 6-phosphogluconolactone; Glu-6-P, glucose 6-phosphate; FO, 7,8-didemethyl-8-hydroxy-5-deazariboflavin (a 5-deazaflavin biosynthetic intermediate of F420); F420-0, FO with side chain phospholactyl; F420, F420-0 with n glutamate moieties (n = 5 or 6); F420-H2, reduced coenzyme F420; P-lactate, 2-phospho-l-lactate; MQ, menaquinone; MQ-H2, menaquinol (reduced menaquinone).