Deletions and insertions in the coding sequence of RAG1. The positions
of amino acids correspond to the human RAG1 sequence, and deletions
(▴) and insertions (▾) are indicated in relation
to the human sequence. GenBank accession numbers: human, M29474;
rabbit, M77666; chicken, M58530; sparrow, AF143738; penguin, AF143734;
ostrich, AF143727; alligator, AF143724; gharial, AF143725; frog,
L19324; fugu, AF108420; trout, U15663; zebrafish, U71093; shark,
U62645.