May be involved in the conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles and have a detoxification role against certain herbicides. glutathione + RX = a halide anion + an S-substituted glutathione + H(+) Belongs to the GST superfamily. Theta family. Was originally thought to correspond to two different genes At5g41230 and At5g41240. Was originally thought to correspond to two different genes At5g41230 and At5g41240. Sequencing errors.