Triple-stranded DNA
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Triple-stranded DNA is a DNA structure in which three oligonucleotides wind around each other and form a triple helix. In triple-stranded DNA, the third strand binds to a B-form DNA double helix by fo
Base triads of H-DNA triplexes: CG*G, TA*A, TA*T, an CG*A+.
Most stable triple-base pairing in triple stranded DNA. Rx-Ry: Watson and Crick base pair binding. Ry-Rz: Hoogesteen base pair binding.
Nucleic acid double helix
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In molecular biology, the double helix is the structure formed by double-stranded molecules of nucleic acids such as DNA. The double-helical structure of a nucleic acid complex arises as a consequence
Triple-stranded DNA
…is a DNA structure in which three oligonucleotides wind around each other and form a triple helix. In triple-stranded DNA, the third strand binds to a B-form DNA (via Watson–Crick base-pairing) double helix by forming Hoogsteen base pairs or reversed Hoogsteen hydrogen bonds. Examples of triple-stranded DNA from…
Base pair geometries