To define a new property-based index use the "Define new Property ..." button located in menu "Options/Managing Property-based Indices" which will launch the following window:
Define new Property Index Window
In the panel "Property List" is possible to add or delete an index using the () and (
) buttons respectively. In the panel "Residue Values" it possible to edit the values assigned to each residue. For saving changes use the save button.
To select a new property-based index use the "Select new Property ..." button located in the menu "Options/Managing Property-based Indices" or "Other Properties Indices..." option located at the end of Indices panel, in both cases the following window will be launched:
Select Property Index Window
In the panel "Property List" all properties are listed. In addition you can use the ( ), (ALL) and (
) buttons to select them.