Editing sequences

Substituting a symbol and inserting a gap in the sequence are described in chapter "Replacing a symbol in a sequence"
Selecting, deleting, copying and relocating can be performed using the "Edit" group's commands of the application's main menu:

• Select all sequences - makes all sequences selected.
• Deselect all sequences - makes all sequences unselected.
• Invert sequence selection - makes the selection of sequences inverted.
• Delete selected sequences - removes selected sequences.
• Move selected sequences to new alignment - replaces selected sequences to a new window.
• Copy selected sequences to new alignment - creates copies of selected sequences in a new window.
• Deselect all columns - makes all columns unselected.
• Delete selected columns - removes selected columns.
• Remove sequence <- left of selected columns - removes the fragments of sequences to the left of selected columns.
• Remove sequence -> right of selected columns - removes the fragments of sequences to the right of selected columns.
• Set gap character to - allows selecting the symbol for gap: "." or "-".
• Remove gapped columns - removes columns consisting of gaps only.