Table 2. Sequence-averaged conformational parameters obtained from the 10 μs Drew–Dickerson dodecamer simulationa.
Parameter | Average | SD | Range | Minimum | Maximum | NMRb | Xrayc |
---|---|---|---|---|---|---|---|
Shear | 0.00 | 0.30 | 6.43 | −3.62 | 2.81 | 0.00 | 0.03 |
Stretch | 0.02 | 0.12 | 3.27 | −0.78 | 2.48 | −0.29 | 0.19 |
Stagger | 0.10 | 0.38 | 4.79 | −2.15 | 2.66 | 0.02 | 0.21 |
Buckle | 0.0 | 9.7 | 92.9 | −48.3 | 48.0 | 0.0 | −0.5 |
Propeller | −9.2 | 8.4 | 81.6 | −49.6 | 39.2 | −17.4 | −14.4 |
Opening | 1.3 | 4.0 | 71.1 | −29.4 | 56.8 | 1.1 | 1.6 |
Xdisp | −0.58 | 1.05 | 10.42 | −6.05 | 4.36 | −0.01 | −0.15 |
Ydisp | 0.00 | 0.84 | 9.16 | −4.59 | 4.58 | 0.02 | 0.52 |
Inclination | 2.2 | 5.7 | 56.0 | −26.1 | 31.0 | 1.7 | −0.6 |
Tip | 0.1 | 6.9 | 58.6 | −41.7 | 41.2 | 0.0 | −2.6 |
Shift | −0.01 | 0.81 | 7.31 | −3.71 | 3.63 | 0.00 | −0.07 |
Slide | −0.24 | 0.53 | 5.50 | −3.17 | 2.34 | −0.22 | 0.14 |
Rise | 3.32 | 0.29 | 3.32 | 1.96 | 5.30 | 3.20 | 3.35 |
Tilt | −0.1 | 4.7 | 44.6 | −22.6 | 23.0 | 0.0 | −0.4 |
Roll | 1.5 | 5.5 | 60.1 | −31.8 | 31.7 | 2.3 | −0.7 |
Twist | 34.3 | 5.5 | 52.3 | 3.4 | 57.1 | 36.0 | 35.2 |
αd | −72.6 | 18.2 | 314.4 | −60.2 | −57.5 | ||
β | 166.8 | 21.7 | 251.1 | 171.0 | 166.4 | ||
γ | 55.6 | 23.2 | 243.6 | 49.6 | 48.3 | ||
δ | 135.2 | 14.5 | 119.7 | 125.7 | 126.3 | ||
ϵ | −159.9 | 23.5 | 169.1 | −170.8 | −164.3 | ||
ζ | −111.4 | 36.1 | 203.1 | −103.5 | −112.1 | ||
χ | −111.7 | 16.2 | 138.6 | −111.5 | −113.5 | ||
Phase | 152.0 | 27.2 | 267.3 | 135.0 | 135.7 | ||
Amplitude | 41.3 | 6.5 | 61.4 | 34.0 | 41.1 |
aCapping base pairs were removed from the analysis.
bComputed from the ensemble of structures (PDB ID: 1NAJ).
cComputed from the X-ray structures with PDB IDs: 1BNA, 2BNA, 7BNA and 9BNA.
dFor the dihedral angles only the Watson strand was considered.