GSTT1 Glutathione S Transferase Theta 1 Glutathione conjugation is generally regarded as a detoxification reaction but it can also be involved in activation. The GSTT1 gene is absent from 38 % of the Cloning and expression studies on glutathione S transferase like gene in honey bee for its role in oxidative stress Cell Stress and Chaperones Springer Nature Link Glutathione S Transferases As Determinants of Cell Survival and Death Kenneth D. Tew, Danyelle M. Townsend, 2012 G site residue S67 is involved in the fungicide degrading activity of a tau class glutathione S transferase from Carica papaya Journal of Biological Chemistry Loss of Glutathione S Transferase Theta 2 (GSTT2) Modulates the Tumor Microenvironment and Response to BCG Immunotherapy in a Murine Orthotopic Model of Bladder Cancer