label: (-)-tabersonine + reduced [NADPH--hemoprotein reductase] + O2 <=> (-)-(R)-19-hydroxytabersonine + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: (-)-tabersonine + reduced [nadph--hemoprotein reductase] + o2 <=> (-)-(r)-19-hydroxytabersonine + oxidized [nadph--hemoprotein reductase] + h2o + h(+)