Table 1.

Oligonucleotides used in this study.

Sequence, 5′→3′	Length	Function
GCTCTGGAATTCCTTCXCTTCTTTCCTCTCGACGGTCTCG X = 8-oxoguanine	40	Template for ss-DPC or temp-DPC, cross-link at X
GCTCTGGAATTCCTTCGCTTCTTTCCTCTCGACGGTCTCG	40	Template for undamaged substrates
GCTCTGGAATTCCTTCCCTTCTTTCCTCTCGACGGTCTCG	40	Template for down-DPC
GAGGAAAGAAGXGAAGGAATTCCAGAGC X = 8-oxoguanine	28	Displaced strand for down-DPC, cross-link at X
GAGGAAAGAAGCGAAGGAATTCCAGAGC	28	Displaced strand for undamaged substrates
CGAGACCGTCG	11	Primer and size marker M1
CGAGACCGTCGCGAGGAAAGAAG	23	Size marker M2, corresponding to primer elongation to the cross-link site
CGAGACCGTCGCGAGGAAAGAAGCGAAGGAATTCCAGAGC	40	Size marker M3, corresponding to the full-size product