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キーワード:
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要旨:
Stretches of parallel-stranded (ps) double-helical DNA can arise within antiparallel-stranded (aps) Watson-Crick DNA in looped structures or in the presence of sequence mismatches. Here we studied an effect of a pyrimidinone-G (PG) base pair on the stability and conformation of the ps DNA to explore whether P is useful as a structural probe.