2-hydroxy-2-methylbutanenitrile + oxidized [NADPH--hemoprotein reductase] + H2O + H(+) => (2S)-2-methylbutanenitrile + reduced [NADPH--hemoprotein reductase] + O2
2-hydroxy-2-methylbutanenitrile + oxidized [nadph--hemoprotein reductase] + h2o + h(+) => (2s)-2-methylbutanenitrile + reduced [nadph--hemoprotein reductase] + o2