| Fragment Sequence | |
| PMF | Example Input the mass weights (Da), which should be splitted by linebreaks. |
| Modifications | Check any known or suspected variable modifications. |
| S-alkyl reagent | Select one fixed modification. |
| c:Carbamidomethylation, m:Carboxymethylation, e:Pyridylethylation |
| Threshold | Input the error window for MS/MS fragment ion mass values. |
| Contaminants | |
| Keratin | Check this box if contamination of keratin is suspected. |
| Trypsin | Select the kind of trypsin if the contamination is suspected. |