Predicted to enable 2,4-dienoyl-CoA reductase (NADPH) activity; NADPH binding activity; and identical protein binding activity. Involved in positive regulation of cold-induced thermogenesis. Located in mitochondrion. Is expressed in axial skeleton. Orthologous to human DECR1 (2,4-dienoyl-CoA reductase 1). [provided by Alliance of Genome Resources, Apr 2022]