Table 1.

Comparison of PNt and swap variant sequence pattern properties and dimensions in 150 mM KCl (Native) or 2 M Gdn (Gdn) measured by SAXS (3)

	No. mutations	HpC*	κ*	Buffer	Rg (Å)	ν	χ2r
PNt	–	0.0300	0.222	Native	51.10 ± 0.13	0.542 ± 0.002	1.095
				Gdn	58.78 ± 0.11	0.583 ± 0.001	0.982
Swap1	6 (1.8%)	0.0458	0.212	Native	49.20 ± 0.59	0.514 ± 0.009	0.904
				Gdn	59.87 ± 0.20	0.580 ± 0.002	0.966
Swap2	18 (5.4%)	0.0697	0.218		n.d.	n.d.	n.d.
Swap3	18 (5.4%)	0.0445	0.200	Native	40.58 ± 1.07	0.432 ± 0.017	0.909
				Gdn	61.26 ± 0.64	0.594 ± 0.006	1.023
Swap4	21 (6.3%)	0.0329	0.170	Native	53.37 ± 0.17	0.558 ± 0.002	1.069
				Gdn	60.19 ± 0.34	0.584 ± 0.003	0.975
Swap4.1	21 (6.3%)	0.0296	0.213	Native	54.45 ± 0.14	0.545 ± 0.002	0.938
				Gdn	58.97 ± 0.23	0.580 ± 0.002	1.033
Swap5	12 (3.6%)	0.0302	0.291	Native	48.71 ± 0.34	0.498 ± 0.005	0.924
				Gdn	59.95 ± 0.38	0.584 ± 0.004	1.015
Swap6	12 (3.6%)	0.0694	0.137	Native	52.61 ± 0.27	0.562 ± 0.003	1.067
				Gdn	59.25 ± 0.50	0.583 ± 0.005	0.934

^*See Materials and Methods for explanations of the HpC and κ calculations. n.d., not determined.