... were as follows: Phe51Ala mutation,5¢-CGGAACCCCGCAGGTCGAGTTTCC -3 and 5 ¢-GACGAGGTGCTCGGGGCTCTT -3 ; Met121Ala muta-tion, 5 ¢-ATCAGTCCGGCACTTGGGGGAACC -3 and5¢-GAGGACGTCGAAGAGGATGGGTTACAG -3 .The ... Zeta, Phi, Tauand O mega [3, 4,9]. Whereas Zeta, Theta and Omega classesof GSTs are found in plants and animals, the large Phi andTau classes a re unique to plants [9]. In maize ( Zea m ays L),42 ... glutathione transferases 3 3 and 1–1 and human glutathione transferase A1 –1. Biochem. J. 30 2, 38 3 39 0.24. Katusz,R.M.,Bono,B.&Colman,R.F.(1991)S-(4-Bromo-2 ,3- dioxobutyl)glutathione: a new a...