Reaction catalyzed by gamma-glutamyltransferase (2.3.2.2)
+
=
+
5-L-glutamyl-4-nitroanilide
+
L-methionyl(2,2,2-trifluoroethylamide)
=
4-nitroaniline
+
5-L-glutamyl-L-methionyl(2,2,2-trifluoroethylamide)