label: prostaglandin E1 + reduced [NADPH--hemoprotein reductase] + O2 = 20-hydroxy prostaglandin E1 + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: prostaglandin e1 + reduced [nadph--hemoprotein reductase] + o2 = 20-hydroxy prostaglandin e1 + oxidized [nadph--hemoprotein reductase] + h2o + h(+)