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Table 2 MS/MS data of differential protein spots from pSS, non-SS sicca syndrome and sSS syndromes

From: Proteomic analysis of saliva: a unique tool to distinguish primary Sjögren's syndrome from secondary Sjögren's syndrome and other sicca syndromes

Spot No Accession No a Protein name Gene name Theoretical Mr b Theoretical pI b Matched peptides c Coverage (%) Peptides identified d
2261 P04745 α-amylase 1 AMY1A 58 6.47 16 43 RSGNEDEFRN
2842 Q6GMW1 IGKC protein IGKC 26 6.9 8 33 KSFNRGE
2439
2543
P06733 α-enolase ENO1 47 7.01 8 25 RNFRNPLAK
2640
2642
P04406 G3PDH GAPDH 36 8.57 3 9 KAGAHLQGGAKRV
3017
3034
P06702 Protein S100-A9 S100A9 13 5.71 4 43 RLTWASHEKM
2996 P01034 Cystatin-C CST3 16 9.00 6 49 KASNDMYHSRA
3018 P31151 Protein S100-A7 S100A7 11 6.27 3 26 RSIIGMIDMFHKY
2832 A0N5G5 Rheumatoid factor D5 light chain (Fragment) V<kappa>3 13 9.15 2 23 RLLIYDASNRA
2954 P31025 Lipocalin-1 LCN1 19 5.39 3 27 RGLSTESILIPRQ
  1. a) Accession number was derived from the ExPASy database. b) Theoretical molecular weight (kDa) and pI from the ExPASy database. c) The number of peaks which match to the trypsin peptides. d) Each spot corresponding to one certain protein had at least one of the shown peptides identified.
  2. G3PDH, glyceraldehydes-3-phosphate dehydrogenase; IGKC: immunoglobulin k light chain; pSS, primary Sjögren's syndrome; SS: Sjögren's syndrome; SSc-sSS secondary Sjögren's syndrome concomitant to systemic sclerosis; sSS: secondary Sjögren's syndrome.