1. An enzyme catalyzing hydrogenation of acyl-ACP complexes to 2,3-dehydroacyl-ACP's, with NAD_ as hydrogen acceptor; important in fatty acid metabolism.
Synonym: crotonyl-ACP reductase.
2. A variant enzyme has been found carrying out the same reaction as enoyl-acp reductase, but with NADP_ as hydrogen Acceptor.
Synonym: acyl-ACP dehydrogenase, acyl-ACP reductase.