Glutathione S Transferases as Potential Targets for Modulation of Nitric Oxide Mediated Vasodilation A trifunctional enzyme with glutathione S transferase, glutathione peroxidase and superoxide dismutase activity ScienceDirect The Biological Functions of Glutathione Encyclopedia MDPI The structure of a zeta class glutathione S transferase from Arabidopsis thaliana: characterisation of a GST with novel active site architecture and a putative role in tyrosine catabolism ScienceDirect Plant glutathione S transferases: enzymes with multiple functions in sickness and in health: Trends in Plant Science Impact of Oxidative Changes and Possible Effects of Genetics Polymorphisms of Glutathione S Transferase in Diabetics Patients with Complications IntechOpen