Table 2 Protein peaks contributing significantly to top ICA components.

Component	Stability Score	p value	Peak(s) (m/z)	Protein Identity(ies)
5	0.809212	2.67E-07	13880	Transthyretin*
59	0.801315	3.62E-06	11351 13880	- Transthyretin*
15	0.85689	9.79E-06	6963.9	-
91	0.807664	3.43E-05	28121 6631.5	Apo A1* Apo C1**
28	0.807874	4.93E-05	17278	-
34	0.877577	6.02E-05	28111	Apo A1*
95	0.823827	9.07E-05	5684.4 28111	- Apo A1*
116	0.822404	9.07E-05	8938.3	-
33	0.857141	9.07E-05	17396	-

*Proteins identified by sequencing. **Proteins identified by immunoprecipitation, sequencing and westernblots. m/z, mass to charge. P values are Benjamini-Hochberg corrected for multiple testing.

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