squalene + reduced [NADPH--hemoprotein reductase] + O2 <=> (S)-2,3-epoxysqualene + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
squalene + reduced [nadph--hemoprotein reductase] + o2 <=> (s)-2,3-epoxysqualene + oxidized [nadph--hemoprotein reductase] + h2o + h(+)
squalene + reduced [NADPH--hemoprotein reductase] + O2 <=> (S)-2,3-epoxysqualene + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
squalene + reduced [nadph--hemoprotein reductase] + o2 <=> (s)-2,3-epoxysqualene + oxidized [nadph--hemoprotein reductase] + h2o + h(+)