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![[Figure 5]](rr5151fig5mag.jpg)
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Figure 5
Scattergrams relating the backbone torsion δ and the deoxyribose pucker described by the pseudorotation phase angle P and magnitude τ. The contours enclose 99.9, 90, 50, 20, 10 and 5% of the assigned steps. Red dots represent the average δ, P and τ values of the NtC classes as they are defined in the golden set. Grey diamonds show the values for unassigned dinucleotides. Only a few deoxyriboses have δ within the physically possible limits 75–165° and P outside the −30 to 210° region associated with C3′-endo and C2′-endo sugar puckers. As expected, the magnitude τ does not discriminate between different sugar puckers. In both graphs, many unassigned dinucleotides acquire atypical δ–P and δ–τ combinations and the respective deoxyriboses are in all likelihood not modelled correctly. |
![[Figure 5]](rr5151fig5.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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