Goal: Your alignment contains IUPAC ambiguity codes "r" meaning A or G, and "y" meaning C or T. You want to remove all columns from your alignment that contain one or more of the ambiguity codes and one or more gaps.
Data: The alignment in the box below contains ambiguity code "r" column 1, and "y" in column 7 There are also gaps in various columns.
Settings: The tolerance for gaps is set to zero, and in addition r and y are entered as gap characters in the "gap characters" box. Columns 1, 2, 4, and 7 will be removed when you press the Run button.
Alignment:
r-t-gacgatcgat act-ggygatcgat act-gacgatcgat gct-gacgatcgat
Options:
Gap character(s)
Tolerance for gaps (%)
Show deleted columns
Preserve deleted columns
Codons: delete columns in groups of 3
Reading frame of alignment: 1 2 3
Return to GapStreeze Input Page.
