GSTT4 GSTT4_HUMAN Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles (By similarity). 241 Glutathione S-transferase theta-4 GST class-theta-4 MGLELYLDLLSQPCRAVYIFAKKNDIPFELRIVDLIKGHHHSKEYIDINPLRKLPSLKDGKFILSESAAILYYLCRKYSAPSHWCPPDLHARARVDEFVAWQHTAFQLPMKKIVWLKLLIPKITGEEVSAEKMEHAVEEVKNSLQLFEEYFLQDKMFITGNQISLADLVAVVEMMQPMAANYNVFLNSSKLAEWRMQVELNIGSGLFREAHDRLMQLADWDFSTLDSMVKENISELLKKSR