这种三螺旋体的稳定性极高，以至于在同型嘧啶PNA靶向双链DNA嘌呤道时，能取代其中一条DNA链侵入双螺旋。
The stability of these triple helixes is so high that homopyrimidine PNA targeted to purine tracts of dsDNA invades the duplex by displacing one of the DNA strands.
这种三螺旋体的稳定性极高，以至于在同型嘧啶PNA靶向双链DNA嘌呤道时，能取代其中一条DNA链侵入双螺旋。
The stability of these triple helixes is so high that homopyrimidine PNA targeted to purine tracts of dsDNA invades the duplex by displacing one of the DNA strands.
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