Enables identical protein binding activity; long-chain-acyl-CoA dehydrogenase activity; and nucleotide binding activity. Involved in fatty acid beta-oxidation using acyl-CoA dehydrogenase and long-chain fatty acid catabolic process. Located in mitochondrial matrix and mitochondrial membrane. Orthologous to human ACADL (acyl-CoA dehydrogenase long chain). [provided by Alliance of Genome Resources, Apr 2022]