Mass Spectrometric Identification of Proteotypic Peptides from Clinically Used Tumor Markers

Li, Yan; Sokoll, Lori J.; Barker, Peter E.; Zhang, Hui; Chan, Daniel W.

doi:10.1007/s12014-008-9011-2

Clinical Proteomics

Table 3 Mass spectrometric identified proteins and tryptic peptides from PSA antigens purchased from commercial source

From: Mass Spectrometric Identification of Proteotypic Peptides from Clinically Used Tumor Markers

No.	Protein name	Peptide sequence	Peptide probability
1	Ig kappa chain C region	DSTYSLSSTLTLSK	0.999
1	Ig kappa chain C region	VDNALQSGNSQESVTEQDSK	0.987
2	Long isoform of cysteine-rich secretory protein-1	YCDMTESNPLER	0.999
2	Long isoform of cysteine-rich secretory protein-1	ATCLCDTEIK	0.907
3	Prostate-specific antigen	LSEPAELTDAVK	0.999
3	Prostate-specific antigen	SEPAELTDAVK	0.999
3	Prostate-specific antigen	IVGGWECEK	0.857
4	Serum albumin	AVMDDFAAFVEK	0.999
4	Serum albumin	FSALEVDETYVPK	0.999
4	Serum albumin	KVPQVSTPTLVEVSR	0.999
4	Serum albumin	VPQVSTPTLVEVSR	0.999
4	Serum albumin	KVPQVSTPTLVEVSR	0.999
4	Serum albumin	KQTALVELVK	0.991
4	Serum albumin	FQNALLVR	0.980
4	Serum albumin	YICENQDSISSK	0.978
4	Serum albumin	LVNEVTEFAK	0.977
4	Serum albumin	CCTESLVNR	0.964
4	Serum albumin	QNCELFEQLGEYK	0.961
4	Serum albumin	QTALVELVK	0.961
4	Serum albumin	AAFTECCQAADK	0.954
4	Serum albumin	DDNPNLPR	0.890
4	Serum albumin	SLHTLFGDK	0.849
4	Serum albumin	AEFAEVSK	0.819
5	Lactotransferrin	GEADAMSLDGGYVYTAGK	0.999
5	Lactotransferrin	FFSASCVPGADK	0.947
6	Epididymal secretory protein E1	GVPVPFPIPEPDGCK	0.999
6	Epididymal secretory protein E1	SGINCPIQK	0.981
6	Epididymal secretory protein E1	DCGSVDGVIK	0.975
6	Epididymal secretory protein E1	TYSYLNK	0.917
7	Ig gamma-1 chain C region	TTPPVLDSDGSFFLYSK	0.999
7	Ig gamma-1 chain C region	GPSVFPLAPSSK	0.957
7	Ig gamma-1 chain C region	NQVSLTCLVK	0.801
8	Prostaglandin-H2 d-isomerase	TMLLQPAGSLGSY	0.999
8	Prostaglandin-H2 d-isomerase	VSVQPNFQQDK	0.609
9	Isoform of proactivator polypeptide	GCSFLPDPYQK	0.999
10	Haptoglobin	DIAPTLTLYVGK	0.994
11	Acrosin	VQPTNVCAGYPVGK	0.997
12	Serotransferrin	MYLGYEYVTAIR	0.989
13	Hemopexin	GGYTLVSGYPK	0.989
14	Alpha-1-antitrypsin, PRO2275	LSITGTYDLK	0.982
15	Unnamed protein	VATVSLPR	0.970
16	Complement C4	VLSLAQEQVGGSPEK	0.944

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ISSN: 1559-0275

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