Table 2.

Structural parameters obtained from SAXS data

Parameters/Sample	LepFNR
	Exp. *	Mod. †	DAM ‡
Dmax (nm)	6.50 ± 0.50	6.14	6.00
Rg (nm)	2.13 ± 0.50	1.93	1.97
Free parameters	5.00€	-	263.00ζ
Discrepancy χ	-	1.18χ	1.10χ
Volume (nm3)	-	47.30	50.70
Resolution (nm)	2.11¶	-	2.11¶
MW (kDa)	34.24η	-	-

* Exp., calculated from the experimental data at 10 mg/ml.

† Mod, parameters obtained from the LepFNR monomer crystallographic structure

‡ DAM, parameters of the averaged dummy atom model over 10 models.

€ Shannon channels number N_s = [D_max(q_max-q_min)]/π

π Model residues number

χ Parameter of comparison with experimental data

¶Resolution = 2*π/q_máx

η MW obtained by comparison with standard protein BSA