Table 3.

Oligonucleotide sequences used to prepare DNA substrates for the enzyme assays performed in this study

Oligonucleotide	Length (nt)	Sequence (5'-3')
RNA-5' nick	19	CAGCAGCAAAUGAAAAAUC
DNA-5' nick	19	CAGCAGCAAATGAAAAATC
RNA-3' nick	25	CCUGCAACAGUGCCACGCUGAGAGC
DNA-3' nick	25	CCTGCAACAGTGCCACGCTGAGAGC
DNA-3'P nick	25	CCTGCAACAGTGCCACGCTGAGAGC-P
DNA-opposite	46	AGATTTTTCATTTGCTGCTGGCTCTCAGCGTGGCACTGTTGCAGGC
Kinase-DNA	25	GCTTTCCGAGTACCGGGGTCTTCCG

All oligonucleotides were PAGE purified and labelled as described in the Methods section. P stands for a 3' phosphate group.