phloretate + oxidized [electron-transfer flavoprotein] + H(+) = (E)-4-coumarate + reduced [electron-transfer flavoprotein]
phloretate + oxidized [electron-transfer flavoprotein] + h(+) = (e)-4-coumarate + reduced [electron-transfer flavoprotein]
phloretate + oxidized [electron-transfer flavoprotein] + H(+) = (E)-4-coumarate + reduced [electron-transfer flavoprotein]
phloretate + oxidized [electron-transfer flavoprotein] + h(+) = (e)-4-coumarate + reduced [electron-transfer flavoprotein]