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Database search tools parameters.
| Search Method | PI m/z T | DI m/z T | NMCA |
| OMSSA | ± 2.0 Da | ± 0.8 Da | 3 |
| X!Tandem | ± 2.0 Da | ± 0.4 Da | 3 |
| SEQUEST | ± 2.5 Da | ± 1.0 Da | 3 |
| Mascot | ± 2.0 Da | ± 0.8 Da | 3 |
| RAId_DbS | ± 3.0 Da | ± 1.0 Da | Unlimited |
In the first row of the table, "PI m/z T" stands for "parent ion m/z tolerance", "DI m/z T" stands for "daughter ion m/z tolerance" and "NMCA" stands for "number of miscleavages allowed."
