menaquinone-8 + formate + H(+) = menaquinol-8 + CO2
menaquinone-8 + formate + h(+) = menaquinol-8 + co2
menaquinone-8 + formate + H(+) = menaquinol-8 + CO2
menaquinone-8 + formate + h(+) = menaquinol-8 + co2