label: protopine + reduced [NADPH--hemoprotein reductase] + O2 <=> 6-hydroxyprotopine + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: protopine + reduced [nadph--hemoprotein reductase] + o2 <=> 6-hydroxyprotopine + oxidized [nadph--hemoprotein reductase] + h2o + h(+)