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Table 2 Sequences of mass spectrometric identified tryptic peptides from tumor markers

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

Protein name

Peptide sequence

Precursor mass (m/z)

Precursor charge

Probability

PSA

LSEPAELTDAVK

637.217

+2

0.999

PSA

IVGGWECEK

539.592

+2

0.857

CEA

SDLVNEEATGQFR

733.777

+2

0.999

CEA

CETQNPVSAR

581.609

+2

0.945

Her-2

NTDTFESMPNPEGR

806.344

+2

0.999

Her-2

CWGESSEDCQSLTR

858.355

+2

0.983

hCG

VLQGVLPALPQVVCNY

886.042

+2

0.999

hCG

LPGCPR

350.401

+2

0.879

CA125

NSLYVNGFTHR

654.723

+2

0.952

CA125

DSLYVNGFTQR

650.710

+2

0.836