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. Author manuscript; available in PMC: 2017 Sep 8.
Published in final edited form as: J Proteome Res. 2013 Mar 8;12(4):1560–1568. doi: 10.1021/pr300453t

Table 1.

Comparison of theoretical p-value of cyclic PSM (Peptide,CyclicSpectrum(Peptide)), with the p-value estimated by MS-DPR with a million simulations.

Peptide score theoretical p-value pDPR
(10, 20, 40) 7 0.0025 0.0021
(10, 20, 40, 80) 13 1.42e-05 1.35e-05
(10, 20, 40, 80, 160) 21 2.59e-08 2.49e-08
(10, 20, 40, 80, 160, 320) 31 1.45e-11 1.09e-11
(10, 20, 40, 80, 160, 320, 640) 43 2.40e-15 6.49e-15
(10, 20, 40, 80, 160, 320, 640, 1280) 57 1.15e-19 2.71e-20