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CHAPTER 9. VIEWING AND EDITING SEQUENCES
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Residue coloring
These preferences make it possible to color both the residue letter and set a background color
for the residue.
• Non-standard residues. For nucleotide sequences this will color the residues that are not
C, G, A, T or U. For amino acids only B, Z, and X are colored as non-standard residues.
Foreground color. Sets the color of the letter. Click the color box to change the color.
Background color. Sets the background color of the residues. Click the color box to
change the color.
• Rasmol colors. Colors the residues according to the Rasmol color scheme.
See http://www.openrasmol.org/doc/rasmol.html
Foreground color. Sets the color of the letter. Click the color box to change the color.
Background color. Sets the background color of the residues. Click the color box to
change the color.
• Polarity colors (only protein). Colors the residues according to the following categories:
Green neutral, polar
Black neutral, nonpolar
Red acidic, polar
Blue basic ,polar
As with other options, you can choose to set or change the coloring for either the
residue letter or its background:
∗ Foreground color. Sets the color of the letter. Click the color box to change the
color.
∗ Background color. Sets the background color of the residues. Click the color box
to change the color.
• Trace colors (only DNA). Colors the residues according to the color conventions of
chromatogram traces: A=green, C=blue, G=black, and T=red.
Foreground color. Sets the color of the letter.
Background color. Sets the background color of the residues.
Find
The Find function can be used for searching the sequence and is invoked by pressing Ctrl +
Shift + F ( + Shift + F on Mac). Initially, specify the 'search term' to be found, select the type
of search (see various options in the following) and finally click on the Find button. The first
occurrence of the search term will then be highlighted. Clicking the find button again will find the
next occurrence and so on. If the search string is found, the corresponding part of the sequence
will be selected.
• Search term. Enter the text or number to search for. The search function does not
discriminate between lower and upper case characters.