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. Author manuscript; available in PMC: 2010 May 11.
Published in final edited form as: J Phys Chem B. 2008 Jan 16;112(5):1515–1524. doi: 10.1021/jp709827m

Table 5.

Average values of select local helical parameters, slide, rise, roll, twist, shift and tilt. Distances are in Å and angles are in degrees.

Parameter DD DR RD RR B-form A-form
Shift −0.17 −0.36 0.12 0.00 0.00 0.00
Slide −0.39 −1.02 −1.66 −1.99 −0.75 −2.06
Rise 3.39 3.64 3.51 3.36 3.33 3.42
Tilt −1.60 −3.55 1.63 −1.64 0.01 0.02
Roll 4.98 9.45 6.66 10.73 −3.65 10.78
Twist 35.4 30.2 30.7 26.6 35.9 30.9