19-oxo-androst-4-ene-3,17-dione + reduced [NADPH--hemoprotein reductase] + O2 => estrone + formate + oxidized [NADPH--hemoprotein reductase] + H2O + 2 H(+)
19-oxo-androst-4-ene-3,17-dione + reduced [nadph--hemoprotein reductase] + o2 => estrone + formate + oxidized [nadph--hemoprotein reductase] + h2o + 2 h(+)
19-oxo-androst-4-ene-3,17-dione + reduced [NADPH--hemoprotein reductase] + O2 => estrone + formate + oxidized [NADPH--hemoprotein reductase] + H2O + 2 H(+)
19-oxo-androst-4-ene-3,17-dione + reduced [nadph--hemoprotein reductase] + o2 => estrone + formate + oxidized [nadph--hemoprotein reductase] + h2o + 2 h(+)