Predicted to enable glutathione hydrolase activity; hypoglycin A gamma-glutamyl transpeptidase activity; and leukotriene C4 gamma-glutamyl transferase activity. Predicted to act upstream of or within glutathione biosynthetic process. Predicted to be located in membrane. Predicted to be integral component of membrane. Is expressed in alimentary system; integumental system; and nervous system. Orthologous to human GGT6 (gamma-glutamyltransferase 6). [provided by Alliance of Genome Resources, Apr 2022]