TABLE 2.

Multiangle light scattering data

Mw, weight average molar mass; Mn, number average molar mass.

	Predicted subunit molar mass (kDa)	Observed molar mass (kDa)	Polydispersity Mw/Mn
FliY fulllength	37.8	80.3 (1%)	1.012
FliYnm	24.4	22.2 (4%)	1.005
FliYm	21.9	19.8 (3%)	1.002