methane + NADH + O2 + H(+) = methanol + NAD(+) + H2O
methane + nadh + o2 + h(+) = methanol + nad(+) + h2o
methane + NADH + O2 + H(+) = methanol + NAD(+) + H2O
methane + nadh + o2 + h(+) = methanol + nad(+) + h2o