Reaction catalyzed by epoxyqueuosine reductase (1.17.99.6)
epoxyqueuosine34 in tRNA
+
=
queuosine34 in tRNA
+
+
H2O
epoxyqueuosine34 in tRNA
+
reduced methyl viologen
=
queuosine34 in tRNA
+
methyl viologen
+
H2O
