Table 2.

Structural parameters derived from SAXS data.

	Concentration (mg/ml)	Rg (Å)a	Rg (Å)b	Dmaxb	Vp (nm3)b	MWexp (kDa)c,d
14-3-3	11.6	27.98 ± 2.63	27.76 ± 0.03	79.75	74.4	46.5
Ataxin-1	12.8	42.92 ± 6.36	44.01 ± 0.04	145.9	88.9	55.6
Complex	11.0	48.4 ± 3.43	49.37 ± 0.03	176.2	208	130.0

^aCalculated using Guinier approximation.⁵⁵

^bCalculated using GNOM.⁵⁶

^cMolecular weight estimated by multiplying the Porod Volume (Vp) with 0.625.³⁹

^dTheoretical molecular weights of 14-3-3ζΔC, AXH-CpS776 and their complex are 52.6 kDa, 55.5 kDa and 107.8 kDa respectively.