ID 1.3.8.12 DE (2S)-methylsuccinyl-CoA dehydrogenase. CA (2S)-methylsuccinyl-CoA + oxidized [electron-transfer flavoprotein] + CA H(+) = 2-methylfumaryl-CoA + reduced [electron-transfer flavoprotein]. CC -!- The enzyme, characterized from the bacterium Rhodobacter sphaeroides, CC is involved in the ethylmalonyl-CoA pathway for acetyl-CoA CC assimilation. DR D3JV03, MCD_CERSP ; //