menaquinone-8 + nitrite + H2O => menaquinol-8 + nitrate
menaquinone-8 + nitrite + h2o => menaquinol-8 + nitrate
menaquinone-8 + nitrite + H2O => menaquinol-8 + nitrate
menaquinone-8 + nitrite + h2o => menaquinol-8 + nitrate