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Applying Fragment Labels
Data Explorer
™
Software User’s Guide 8-9
8
2. In the Sequence text box, type the amino acid sequence
of the compound. Use single-letter codes. Set other
parameters as needed. For parameter descriptions, see
Section 6.5, Using the Ion Fragmentation Calculator.
3. Click Options to specify the fragment peaks to label.
4. Click Induce Fragmentation.
5. Click Label Peaks.
The ion peaks specified in Options are labeled on the
trace if they are present.
Hint: To more selectively apply labels, decrease the
Mass Tolerance in the Options dialog box.
Hint: This function creates User Labels in the data file.
To view, select Peak Label from the Peaks menu, then
click User Label Setup. Click Save As to save the
labels in a .LBS file for use with other data files. For
more information, see Section 3.5.3, Setting Custom
Peak Labels.
6. To display the original labels, select Peak Label from the
Peaks menu, then deselect User Labels.