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Figure 1.
Fig. 1. Diagrammatic representation of the flap, Ps-Y,
5OVH, and HP1 oligonucleotide substrates referred to in this
study. For each substrate the 5'-32P end-labeled oligonucleotide
is shown as 5'-P. Exonucleolytic and structure-specific
endonucleolytic cleavage sites are identified by filled and open
triangles, respectively. I and II indicate duplex regions I and
II, respectively.
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