You will use the default settings for all of the drop-down menus that appear at the top of the Submission Form, so don’t change these. An example of these default settings is shown in the tutorial screen shot.
Copy all three of your sequences in FASTA format into the open frame below the Submission Form, making sure to leave one space between them. ClustalW2 will attempt to align these amino acid sequences based on their similarities. Click RUN, then move to the NEXT page of the tutorial. Your results might take a few seconds.