Table 2. Sedimentation velocity data.

	sT,B	s20,wa	Mr (Da)	f/f0b	Axial ratio
22wtc	1.47 ± 0.21	1.93 ± 0.27	8768 ± 1815	1.36 ± 0.17	2.1
G1c	1.49 ± 0.15	1.94 ± 0.20	7969 ± 1179	1.35 ± 0.12	2.0
G2c	1.72 ± 0.31	2.25 ± 0.41	10,938 ± 2924	1.17 ± 0.18	∼1
G3c	1.53 ± 0.19	2.00 ± 0.25	7850 ± 1445	1.32 ± 0.15	1.5
G4c	1.49 ± 0.15	1.95 ± 0.20	7853 ± 1198	1.35 ± 0.13	1.9
G5c	1.56 ± 0.28	2.03 ± 0.37	9695 ± 2568	1.29 ± 0.20	1.3
G6c	1.48 ± 0.19	1.93 ± 0.25	8036 ± 1489	1.36 ± 0.15	2.1
G11c	1.63 ± 0.28	2.13 ± 0.37	10,051 ± 2557	1.24 ± 0.18	1.3
26-merc	1.08 ± 0.02	1.41 ± 0.15	8247 ± 1652	1.87 ± 0.05	8.6
G1d	0.62 ± 0.11	1.29 ± 0.23	7943 ± 1219	1.95 ± 0.29	14.3
G5d	0.65 ± 0.14	1.33 ± 0.32	7720 ± 1311	1.86 ± 0.32	12.6
22wtxe	0.79 ± 0.13	1.24 ± 0.20	6813 ± 1556	1.98 ± 0.28	10.1
22wtxc	1.50 ± 0.2	1.95 ± 0.26	6925 ± 1245	1.37 ± 0.18	2.1
G5xe	0.77 ± 0.09	1.20 ± 0.14	6541 ± 1064	2.05 ± 0.21	11.1
G5xc	1.54 ± 0.19	2.02 ± 0.25	7090 ± 1093	1.31 ± 0.12	1.4

^as_20,w values converted from s_T,b values. Ranges are 95% confidence intervals (31).

^bf/f₀, buffer densities and viscosities were calculated using Sednterp (31), with = 0.54 ml g⁻¹ for G-quadruplex DNAs (32) and = 0.55 ml g⁻¹ for the 26-mer ssDNA (36).

^cIn 10 mM Tris–HCl (pH 8.0), 1 mM EDTA and 75 mM KCl.

^dIn 10 mM Tris–HCl (pH 8.0), 1 mM EDTA and 75 mM TEA.

^eIn 10 mM Tris–HCl (pH 8.0) and 1 mM EDTA (acid form).