20-carboxy-leukotriene B4 + oxidized [NADPH--hemoprotein reductase] + H2O + 2 H(+) => 20-oxo-leukotriene B4 + reduced [NADPH--hemoprotein reductase] + O2
20-carboxy-leukotriene b4 + oxidized [nadph--hemoprotein reductase] + h2o + 2 h(+) => 20-oxo-leukotriene b4 + reduced [nadph--hemoprotein reductase] + o2
20-carboxy-leukotriene B4 + oxidized [NADPH--hemoprotein reductase] + H2O + 2 H(+) => 20-oxo-leukotriene B4 + reduced [NADPH--hemoprotein reductase] + O2
20-carboxy-leukotriene b4 + oxidized [nadph--hemoprotein reductase] + h2o + 2 h(+) => 20-oxo-leukotriene b4 + reduced [nadph--hemoprotein reductase] + o2