mesaconate + succinyl-CoA => 2-methylfumaryl-CoA + succinate
mesaconate + succinyl-coa => 2-methylfumaryl-coa + succinate
mesaconate + succinyl-CoA => 2-methylfumaryl-CoA + succinate
mesaconate + succinyl-coa => 2-methylfumaryl-coa + succinate