Alignment Window Edit Menu
  
  
    - Undo (Control Z)
 This
        will undo any edits you make to the alignment. This applies to
        insertion or deletion of gaps, cutting residues or sequences
        from the alignment or pasting sequences to the current alignment
        or sorting the alignment. NOTE: It DOES NOT
        undo colour changes, adjustments to group sizes, or changes to
        the annotation panel.
- Redo (Control Y)
 Any actions which you undo can be redone using redo.
- Cut (Control X)
 This will make a copy of the currently selected residues
        before removing them from your alignment. Click on a sequence
        name if you wish to select a whole sequence.
 Use
        <CTRL> and X (<APPLE> and X on MacOSX) to cut.
- Copy (Control C)
 Copies
        the currently selected residues to the system clipboard - you
        can also do this by pressing <CTRL> and C (<APPLE>
        and C on MacOSX).
 If you try to paste the clipboard
        contents to a text editor, you will see the format of the copied
        residues FASTA.
- Copy Highlighted region (Control Shift C)
 Copies
        each stretch of highlighted residues as a new sequence on the
        system clipboard - you can also do this by pressing <CTRL>
        <SHIFT> and C (<APPLE> <SHIFT> and C on
        MacOSX).
 Use this when you want to extract sequence regions
        highlighted as a result of a Find operation, or due to
        mouseovers or selections made in other views such as an
        assocated 3D structure viewer.
- Paste 
      
        - To New Alignment (Control Shift V)
 A new alignment window will be created from sequences
            previously copied or cut to the system clipboard.
 Use <CTRL> and <SHIFT> and V(<APPLE> and
            <SHIFT;> and and V on MacOSX) to paste.
- Add To This Alignment (Control V)
 Copied sequences from another alignment window can be
            added to the current Jalview alignment.
 
- Delete (Backspace)
 This will delete the currently selected residues without
        copying them to the clipboard. Like the other edit operations,
        this can be undone with Undo.
- Remove Left (Control L)
 If the alignment has marked columns, the alignment will be
        trimmed to the left of the leftmost marked column. To mark a
        column, mouse click the scale bar above the alignment. Click
        again to unmark a column, or select "Deselect All" to
        deselect all columns.
- Remove Right (Control R)
 If the alignment has marked columns, the alignment will be
        trimmed to the right of the rightmost marked column. To mark a
        column, mouse click the scale bar above the alignment. Click
        again to unmark a column, or select "Deselect All" to
        deselect all columns.
- Remove Empty Columns (Control E)
 All columns which only contain gap characters
        ("-", ".") will be deleted.
 You may
        set the default gap character in preferences.
- Remove All Gaps (Control Shift E)
 Gap characters ("-", ".") will be
        deleted from the selected area of the alignment. If no selection
        is made, ALL the gaps in the alignment will be removed.
 You may set the default gap character in preferences.
- Remove Redundancy (Control D)
 Selecting this option brings up a window asking you to
        select a threshold. If the percentage identity between any two
        sequences (under the current alignment) exceeds this value then
        one of the sequences (the shorter) is discarded. Press the
        "Apply" button to remove redundant sequences. The
        "Undo" button will undo the last redundancy deletion.
- Left Justify and Right
        Justify
 Moves all gaps to either right or left of the sequences in
        the alignment or the currently selected region.
- Pad Gaps
 When selected, the alignment will be kept at minimal width
        (so there are no empty columns before or after the first or last
        aligned residue) and all sequences will be padded with gap
        characters before and after their terminating residues.
 This switch is useful when making a tree using unaligned
        sequences and when working with alignment analysis programs
        which require 'properly aligned sequences' to be all the same
        length.
 You may set the default for Pad
          Gaps in the preferences.