Table 2.

Relative abundances of HSP variants determined by native MS

HSP variant	24 subunit	28-38 subunits	48 subunit
P1	0.04	0.07	0.89
Var-2	0.11	0.52	0.37
Var-3	0.05	0.91	0.04
Var-6	0.11	0.81	0.08
Var-7	0.44	0.39	0.17
Var-8	0.69	0.24	0.07

The relative abundances of clustered oligomeric states of HSP16.5 variants determined by native mass spectrometry are shown. The relative abundance of each oligomeric subset was determined by integration of the native mass spectrum across the m/z ranges shown in Figure S4.