The following exercises will illustrate several aspects of multiple sequence alignments:

You can do these exercises with the help of many web sites, but we recommand using MyHits

Multiple sequence alignments
1 Orthology and Paralogy Exercise Hint Solution
2 Find a better pattern Exercise Hint Solution
3 Special case, the U amino acid Exercise Hint Solution

Reminder: if needed, some links for the recovery of sequences

[ Easily fetch sequences ] [ Search SWISS-PROT ] [ NCBI's Entrez ]