Reaction catalyzed by polyribonucleotide nucleotidyltransferase (2.7.7.8)

	pJFD4 HpaI RNA+1	+			=		pJFD4 HpaI RNA	+
	pJFD4 HpaI RNA+1	+		phosphate	=		pJFD4 HpaI RNA	+		nucleoside diphosphate