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Pseudorotation wheel and sugar puckering. A pseudorotation wheel plotting the pseudorotation phase angle P (degrees) and the maximum sugar torsion angle νmax (degrees) for the incorporated pTNA nucleotides (ptA12 and ptA13) and the analogous DNA (dA12 and dA13) and TNA nucleotides (tA12 and tA13). The puckered sugar moiety of each nucleotide is displayed in uniform orientation, where the C4′–O4′–C1′ atoms are positioned in the back.
