Table 1:

Selected proteins identified by mass spectrometry.

Accession	−10IgP	Coverage (%)	#Peptides	#Unique	Average Mass (kDa)	Description
P01009 A1AT_Human (present in both samples)	49.31	14	4	4	46.8	Alpha-1-antitrypsin (SERPINAA1) PE=1 SV=3
P02760 AMBP_Human (present in both samples)	63.3	19	4	4	39	Alpha-1-microglobulin (AMBP) PE=1 SV=1
P49908 SEPP1_Human (present in the pH 7.4 sample)	21.47	6	1	1	43.2	Selenoprotein P (SEPP1) PE=1 SV=3
P02749 APOH_Human (present in the pH 5.0 sample)	26.95	4	1	1	38.3	Beta-2-glycoprotein 1 (APOH) PE=1 SV=3