TABLE 2.

SAXS parameters of RIFMO

[RIFMO]	Guinier Rg	Real space Rg	Dmax	Porod volumea	χb	χ/χfreec
mg/ml	Å	Å	Å	Å3
3.9	35.1	35.0	107	142932	0.99	0.70/0.80
6.0	35.9	34.9	107	141649	1.24	1.24/1.46
7.2	34.9	34.7	108	139279	1.68	2.30/2.61

^a Estimated from calculations of the distance distribution function using PRIMUS (29).

^b Residuals calculated with FoXS (23) using the crystallographic homodimer of apo-RIFMO.

^c Statistical quality metric of the curve fitting evaluated in Scatter (available from the SIBYLS beamline website).