Reaction catalyzed by tRNAHis guanylyltransferase (2.7.7.79) show all sequences for 2.7.7.79
ppp-tRNAHis
+
=
pppGp-tRNAHis
+
ppp-tRNAHis
+
GTP
=
pppGp-tRNAHis
+
diphosphate