a short-chain 2,3-saturated fatty acyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) => a short-chain (2E)-enoyl-CoA + reduced [electron-transfer flavoprotein]
a short-chain 2,3-saturated fatty acyl-coa + oxidized [electron-transfer flavoprotein] + h(+) => a short-chain (2e)-enoyl-coa + reduced [electron-transfer flavoprotein]
a short-chain 2,3-saturated fatty acyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) => a short-chain (2E)-enoyl-CoA + reduced [electron-transfer flavoprotein]
a short-chain 2,3-saturated fatty acyl-coa + oxidized [electron-transfer flavoprotein] + h(+) => a short-chain (2e)-enoyl-coa + reduced [electron-transfer flavoprotein]