undecanoyl-CoA + FAD + H(+) = trans-2-undecenoyl-CoA + FADH2
undecanoyl-coa + fad + h(+) = trans-2-undecenoyl-coa + fadh2
undecanoyl-CoA + FAD + H(+) = trans-2-undecenoyl-CoA + FADH2
undecanoyl-coa + fad + h(+) = trans-2-undecenoyl-coa + fadh2