The Composition report is the default type of Report view for most situations. The Composition report table provides information about each individual amino acid, as well as amino acid categories.

To open the Composition report, do either of the following:

  • Use the Report > Composition from Document/Selection/Structure (chain names) command.
  • Use the View > Report > Show command or press the Report tab (). If the Composition report is not current displayed, select it from the drop-down menu in the upper left corner of the Report view. If a Composition report is not in the menu list, add it using the Add reports to this view tool ().

An example Composition report is shown below:

Each column is described below:

Column name Description
Residue The amino acid code or category.
1-Letter The 1-letter IUPAC amino acid code.
Number The residue-level count.
% Weight the percent weight of the category vs. the entire selection.
% Frequency The percent frequency of observing a category.

For information about the tools available in this view, see Report view.

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