octanoyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) <=> (2E)-octenoyl-CoA + reduced [electron-transfer flavoprotein]
octanoyl-coa + oxidized [electron-transfer flavoprotein] + h(+) <=> (2e)-octenoyl-coa + reduced [electron-transfer flavoprotein]
octanoyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) <=> (2E)-octenoyl-CoA + reduced [electron-transfer flavoprotein]
octanoyl-coa + oxidized [electron-transfer flavoprotein] + h(+) <=> (2e)-octenoyl-coa + reduced [electron-transfer flavoprotein]