(E)-2-benzylidenesuccinyl-CoA + reduced [electron-transfer flavoprotein] => (R)-2-benzylsuccinyl-CoA + oxidized [electron-transfer flavoprotein] + H(+)
(e)-2-benzylidenesuccinyl-coa + reduced [electron-transfer flavoprotein] => (r)-2-benzylsuccinyl-coa + oxidized [electron-transfer flavoprotein] + h(+)
(E)-2-benzylidenesuccinyl-CoA + reduced [electron-transfer flavoprotein] => (R)-2-benzylsuccinyl-CoA + oxidized [electron-transfer flavoprotein] + H(+)
(e)-2-benzylidenesuccinyl-coa + reduced [electron-transfer flavoprotein] => (r)-2-benzylsuccinyl-coa + oxidized [electron-transfer flavoprotein] + h(+)