Table 1. Prostate cancer-associated secreted proteins and their surrogate peptides.
| Protein | Accession number | Best surrogated peptidea | SRM transitions | |||
|---|---|---|---|---|---|---|
| Q1 | Q3 | |||||
| AGR2 | O95994 | LPQTLSR | 407.7 | 604.3 | 476.3 | 351.2 |
| AGR3 | Q8TD06 | LYTYEPR | 471.2 | 665.3 | 272.2 | 277.2 |
| CCL3 | P10147 | QVCADPSEEWVQKb | 788.4 | 1188.6 | 1117.5 | 1002.5 |
| CEAM5 | P06731 | INGIPQQHTQVLFIAK | 603.0 | 847.5 | 761.9 | 705.4 |
| SDLVNEEATGQFR | 733.3 | 1051.5 | 937.4 | 679.4 | ||
| CETQNPVSARb | 581.3 | 872.5 | 643.4 | 529.3 | ||
| CEAM6 | P40199 | EVLLLAHNLPQNR | 506.3 | 741.4 | 514.3 | 531.8 |
| SDPVTLNVLYGPDGPTISPSK | 1079.1 | 1055.5 | 998.5 | 331.2 | ||
| CRISP3 | P54108 | WANQCNYRb | 556.2 | 925.4 | 854.4 | 612.3 |
| YEDLYSNCKb | 596.3 | 899.4 | 784.4 | 671.3 | ||
| CXL14 | O95715 | MVIITTK | 403.2 | 674.4 | 575.4 | 462.3 |
| WYNAWNEK | 555.8 | 761.4 | 647.3 | 576.3 | ||
| IL24 | Q13007 | LWEAFWAVK | 575.3 | 850.4 | 721.4 | 650.4 |
| MMP9 | P14780 | AVIDDAFAR | 489.3 | 807.4 | 694.3 | 579.4 |
| FQTFEGDLK | 542.8 | 809.4 | 708.4 | 561.3 | ||
| LGLGADVAQVTGALR | 720.9 | 914.5 | 815.5 | 744.4 | ||
| SLGPALLLLQK | 576.9 | 952.6 | 727.5 | 614.4 | ||
| POSTN | Q15063 | AAAITSDILEALGR | 700.9 | 1074.6 | 973.5 | 771.5 |
| SFRP4 | Q6FHJ7 | GVCISPEAIVTDLPEDVKb | 971.5 | 1425.7 | 916.5 | 587.3 |
| CD90 | P04216 | VLYLSAFTSK | 564.8 | 916.5 | 753.4 | 640.3 |
| VTSLTACLVDQSLRb | 521.6 | 830.5 | 717.4 | 618.3 | ||
| HVLFGTVGVPEHTYR | 571.3 | 958.5 | 802.4 | 576.3 | ||
aThese surrogate peptides were confidently detected in the pooled urine sample.
bCysteine was synthesized as carbamidomethyl cysteine.