Table 3.

Sequence identification of six potential GC biomarkers

Mass (m/z)	Peptides sequence	International Protein Index	Identity
1521.93 Da	L.SALEEYTKKLNTQ. -	IPI:IPI00021841.1	Apolipoprotein A-I precursor (APOP-I)
1265.49 Da 1352.84 Da 1575.90 Da 2663.12 Da	S.GEGDFLAEGGGVR.G D.SGEGDFLAEGGGVR.G Q.FTSSTSYNRGDSTF.E A.DEAGSEADHEGTHSTKRGHAKSRPV.R	IPI:IPI00021885.1	Isoform I of Fibrinogen alpha chain precursor (FGA)
2716.91 Da	R.VVAQSTNSEEIIEGEYNTVMLAIGR.D	IPI:IPI00554786.5	Isoform 5 of Thioredoxin reductase 1, cytoplasmic (TXNRD1)
4213.82 Da	K.EQSDFCPWYTGLPFIPYLDNL PNFNRSIDGPIRLPI.V	IPI:IPI00642097.1	Eukaryotic peptide chain release factor GTP-binding subunit ERF3B (GSPT2)
1506.07 Da	G.VVSLGSPSGEVSHPR.K	IPI:IPI00022431.1	Alpha-2-HS-glycoprotein precursor (AHSG)
1629.81 Da	F.GDLSTPDAVMGNPKVK.A	IPI:IPI00654755.3	Hemoglobin subunit beta (HBB)
2865.39 Da	L.DKIKECSEKVELIHGKKAGLAADKKE.F	IPI:IPI00028275.1	Cytoskeleton-associated protein 5 (CKAP5)