Table 1.

Hydrodynamic properties of the N protein samples determined by analytical ultracentrifugation.

	Peak I					Peak II
	C [mg/ml]	sw [S] [S]	Sw(20,w) [S]	MM [kDa]	Rs [nm]	sw [S] [S]	Sw(20,w) [S]	MM [kDa]
N_p1	0.25	3.65	3.79	78.2	5.12	5.3	5.5	135
	0.5	3.5	3.6	50	3.42	5.1	5.3	89
	0.75	3.6	3.76	55	3.6	5.2	5.4	95
N_p2	0.25	3.43	3.71	85	5.32
	0.5	3.50	3.78	85.2	5.38
	0.75	3.50	3.79	85	5.19