Table 1.

Fit parameters for the scattering data from salt-free lysozyme solutions at pH 7.8

c, mg/ml	φ	T, °C	K1, kBT	K2, kBT	σ/Z1, nm	σ/Z2, nm	κ−1,* nm
ESRF
1.6	0.001	20
15	0.012	20	8.00	3.20	0.260	2.94	2.98
44	0.033	20	8.20	2.60	0.24	1.74	2.24
152	0.12	20	9.80	2.30	0.16	1.04	1.40
EMBL
4.2	0.003	10
29	0.022	10	13.00	4.00	0.36	1.92	2.49
119	0.090	10	14.00	3.50	0.16	1.42	1.50
246	0.186	10	16.00	3.10	0.15	1.14	1.09
ILL
4.5	0.0034	5
24	0.018	5	8.48	2.00	0.43	3.23	2.61
80	0.060	5	10.28	2.45	0.28	1.73	1.75
200	0.151	5	9.90	2.22	0.23	1.24	1.19

c and φ, protein concentration and volume fraction, respectively; T, specimen temperature; K₁, K₂, σ/Z₁, σ/Z₂, κ⁻¹, and Z are parameters describing the interaction potentials (see Methods).

*Net charge Z = +8e.