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DNA substrates
| 21-19/41A-mer | 5’-CGCAGCCGTCCAACCAACTCA CGTCGATCCAATGCCGTCC-3’ 3’-GCGTCGGCAGGTTGGTTGAGTAGCAGCTAGGTTACGGCAGG-5’ |
| 22-18/41G–mer | 5’-CGCAGCCGTCCAACCAACTCAC GTCGATCCAATGCCGTCC-3’ 3’-GCGTCGGCAGGTTGGTTGAGTGGCAGCTAGGTTACGGCAGG-5’ |
| 22ddC-18/41G–mer | 5’-CGCAGCCGTCCAACCAACTCAC GTCGATCCAATGCCGTCC-3’ 3’-GCGTCGGCAGGTTGGTTGAGTGGCAGCTAGGTTACGGCAGG-5’ |
The downstream 18-mer and 19-mer strands were 5′-phosphorylated. “C” denotes ddCMP.
