. "Catalysis of the reaction: acryloyl-CoA + NADH + H+ + a reduced electron-transfer flavoprotein = propionyl-CoA + NAD+ + an oxidized electron-transfer flavoprotein." . . "acryloyl-CoA reductase activity" . "acryloyl-coenzyme A reductase activity" . "acrylyl-CoA reductase (NADH)" . "propionyl-CoA dehydrogenase" . . .