a menaquinol + 2 O2 => 2 superoxide + a menaquinone + 2 H(+)
a menaquinol + 2 o2 => 2 superoxide + a menaquinone + 2 h(+)
a menaquinol + 2 O2 => 2 superoxide + a menaquinone + 2 H(+)
a menaquinol + 2 o2 => 2 superoxide + a menaquinone + 2 h(+)