Reaction catalyzed by tRNA dimethylallyltransferase (2.5.1.75)
+
=
+
GGGGAUUGAAAAAGGGG containing 6-dimethylallyladenosine
dimethylallyl diphosphate
+
GGGGAUUGAAAAUCCCC
=
diphosphate
+
GGGGAUUGAAAAAGGGG containing 6-dimethylallyladenosine