Table 7. r(UUUU)^a.

	NMR	parmbsc0	parm99χ_Yil	ff10	parmTor
1–2 stack	none	5.5%	15.7%	13.8%	21.0%
2–3 stack	none	6.3%	22.1%	12.3%	20.6%
3–4 stack	none	4.5%	9.1%	8.3%	21.4%
1–3 stack	none	50.6%	36.1%	33.2%	15.4%
1–4 stack	none	1.8%	2.3%	2.9%	7.2%
2–4 stack	none	30.8%	11.5%	12.8%	7.2%
1–3–2 intercalation	none	0.0%	3.1%	0.3%	3.8%
3–1–4 intercalation	none	0.1%	4.2%	3.3%	1.5%
random coil	possible	27.6%	21.6%	30.2%	28.1%
β RMSD (Hz)	T	0.1	0.1	0.1	6.4
ϵ RMSD (Hz)	cf. Table 2	1.3	1.2	1.5	2.2
γ RMSD (Hz)	cf. Table 2	0.9	1.4	0.7	0.5
suger pucker RMSD (Hz)	cf. Table 2	2.3	0.6	1.2	0.7

^aCf. Table 6.