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Deoxynucleotidylation of Tpc by Tac of SCP1 plasmid. (A) The roles of Tac and Tpc. In the reaction, Tap and Tpg were singly or doubly replaced by Tac and Tpc, respectively. (B) The effect of ddCTP (‘ddC) and ddATP (‘ddA’). (C) The 3′ single-strand overhang of SCP1 telomere. The first 49 nt (‘TOS49’) was used as the template in (A) and (B). The palindromes are indicated by the divergent arrows.
