Table 2 T_corr performance using predefined subsets of b and y ions

T_corr performed using b and y ions with smallest m/z values above half the precursor mass as transition ions

Size of candidate peptide pool

4 y ions

4 b ions

4 b and 4 y ions

10

0.844

0.807

0.917

100

0.511

0.381

0.835

1,000

0.042

0.008

0.541

T_corr performed using b and y ions with smallest m/z values below half the precursor mass as transition ions

10

0.848

0.571

0.888

100

0.503

0.147

0.674

1,000

0.039

0.013

0.311