Predicted to enable oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water. Predicted to be involved in lipid metabolic process. Predicted to be located in endoplasmic reticulum membrane. Predicted to be integral component of membrane. Orthologous to human FADS3 (fatty acid desaturase 3). [provided by Alliance of Genome Resources, Apr 2022]