Figure 3

Z _p versus sugar pseudorotation phase angle P for the four datasets. The four nucleotides constituting a basepaired dinucleotide step corresponding to a particular Z _p value have been colour coded as follows: 5'-end Strand 1 – Blue; 3'-end Strand 1 – Red; 5'-end Strand 2 – Green; 3'-end Strand 2 – Black.