1.5.5.3 0.19 - coenzyme Q1 at pH 7.5 and 25°C 741855 1.5.5.3 0.19 - trans-4-hydroxy-L-proline at pH 7.5 and 25°C 741855 1.5.5.3 0.27 - duroquinone at pH 7.5 and 25°C 741855 1.5.5.3 0.28 - menaquinone at pH 7.5 and 25°C 741855