Predicted to enable several functions, including glutathione peroxidase activity; glutathione transferase activity; and leukotriene-C4 synthase activity. Predicted to be involved in leukotriene biosynthetic process and lipid metabolic process. Predicted to be located in intracellular membrane-bounded organelle and membrane. Predicted to be active in endoplasmic reticulum and nuclear envelope. Is expressed in several structures, including alimentary system; integumental system; liver; nervous system; and sensory organ. Orthologous to human MGST3 (microsomal glutathione S-transferase 3). [provided by Alliance of Genome Resources, Apr 2022]