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biochemistry - Parallel DNA double-helices with Watson–Crick base-pairing: Why do they not occur? - Biology Stack Exchange
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Non-dissociative structural transitions of the Watson-Crick and reverse Watson-Crick А·Т DNA base pairs into the Hoogsteen and reverse Hoogsteen forms | Scientific Reports
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The Watson-Crick base pairs (Figure from: http://www.ncc.gmu.edu/dna/).... | Download Scientific Diagram
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A historical account of hoogsteen base‐pairs in duplex DNA - Nikolova - 2013 - Biopolymers - Wiley Online Library
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Crystallographic evidence of Watson–Crick connectivity in the base pair of anionic adenine with thymine | PNAS
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