6RIO:
reference: Sequence-Selective Minor Groove Recognition of a DNA Duplex Containing Synthetic Genetic Components., Padroni G, Withers JM, Taladriz-Sender A, Reichenbach LF, Parkinson JA, Burley GA, J Am Chem Soc. 2019 Jun 4. doi: 10.1021/jacs.8b12444. PMID: 31117639

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