The following table describes the types of information in the lower section of the Modification Results table on the Modification Summary page.
Parameter | Description |
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Field Chooser | Displays the Field Chooser dialog box so that you can select the columns to display in the lower section of the Modification Results pane. |
(Check box) | Select or clear the checkbox in the table header row to select/deselect all rows in the lower section. You can also select the checkbox in individual rows for export. |
Oligonucleotide | Displays the oligonucleotide sequence. |
Residue # | Displays the nucleotide residue (site) number of the modification within the oligonucleotide sequence. |
Modification | Displays the type and site of modification. |
Category | Displays the type of modification by category.
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Comment | Displays any comments about the modification to support the identification, the % Abundance, or both. Examples of comments include None, Possible artifact, or Poor recovery. |
Normalized Time Shift (NTS) | Displays the experimental shift of the retention time after modification as a percentage of the abundance-weighted average retention time of all identified components. A negative NTS values indicates that the modified oligonucleotide elutes earlier than the unmodified oligonucleotide. A positive NTS value indicates that the modified oligonucleotide elutes later than the unmodified oligonucleotide. |
Predicted Time Shift | Displays the predicted retention time shift for a modified component compared to the unmodified component. This parameters is based on empirically-determined Normalized Time Shift values of common modifications. |
Modified Oligonucleotides | Displays the nucleotide sequence range and sequence mass for the component within the oligonucleotide. |
Oligonucleotide Sequence | Displays the oligonucleotide sequence for the component. |
Confidence | Displays the confidence score for the modification assignment. |
Recovery | Displays the general abundance of the component. This value is the total peak area (including modified and unmodified forms of the component) as a percentage of the self-weighted average of all components. The recovery value can be over 100% because of the way the application calculates the reference peak intensity.
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% Abundance raw_data_file_name | Displays the % Abundance value for a modification in a particular raw data file. |
Custom % Abundance raw_data_file_name | Displays the custom % Abundance value for a modification in a particular raw data file. Visible only when you change the list of components used for the % Abundance calculation. |