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Kinetic discrimination in recognition of DNA quadruplex targets by guanine-rich heteroquadruplex-forming PNA probes.


ABSTRACT: Guanine-rich peptide nucleic acid probes hybridize to DNA G quadruplex targets with high affinity, forming PNA-DNA heteroquadruplexes. We report a surprising degree of kinetic discrimination for PNA heteroquadruplex formation with a series of DNA targets. The fastest hybridization is observed for targets folded into parallel morphologies.

SUBMITTER: Roy S 

PROVIDER: S-EPMC3163151 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Kinetic discrimination in recognition of DNA quadruplex targets by guanine-rich heteroquadruplex-forming PNA probes.

Roy Subhadeep S   Zanotti Kimberly J KJ   Murphy Connor T CT   Tanious Farial A FA   Wilson W David WD   Ly Danith H DH   Armitage Bruce A BA  

Chemical communications (Cambridge, England) 20110630 30


Guanine-rich peptide nucleic acid probes hybridize to DNA G quadruplex targets with high affinity, forming PNA-DNA heteroquadruplexes. We report a surprising degree of kinetic discrimination for PNA heteroquadruplex formation with a series of DNA targets. The fastest hybridization is observed for targets folded into parallel morphologies. ...[more]

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