Compound as reactive (1)
S-adenosyl-L-methionine + 2-demethylmenaquinone-8 → menaquinone-8 + S-adenosyl-L-homocysteine + H+
Compound as product (1)
1,4-dihydroxy-2-naphthoate + all-trans-octaprenyl diphosphate → 2-demethylmenaquinone-8 + H+ + diphosphate + CO2
Reversible reaction (1)
an oxidized electron donor + demethylmenaquinol-8 ↔ 2-demethylmenaquinone-8 + a reduced electron donor