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