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IMGT reference sequences in FASTA format:

Amino acid sequences with gaps

The FASTA header contains:
IMGT accession number | gene and allele name | species | functionality | exon name | domain name | domain type | alternative splicing (if it is) | partial (if it is)
>M23370|CD3E*01|Mus musculus|F|EX1|
MRWNTFWGILCLSLLA
>M23371|CD3E*01|Mus musculus|F|[D]|EX2|C-LIKE|
...VGTCQD
>M23372|CD3E*01|Mus musculus|F|[D]|EX3|C-LIKE|
DAENI
>M23373|CD3E*01|Mus musculus|F|[D]|EX4|C-LIKE|
EYKVSISG.....TSVELTCPLDSD......ENLKWEKNGQELP...QKHDK........
............HLVLQDFSE.VEDSGYYVCYTPA......SNKNTYLYLKAR
>M23374|CD3E*01|Mus musculus|F|EX5|
VCEYCVEVDLTAVAIIIIVDICITLGLLMVIYYWSKNRKAKAKPVTRGTGAGSRPR
>M23375|CD3E*01|Mus musculus|F|EX6|
GQNKERPPPVPNPDYE
>M23376|CD3E*01|Mus musculus|F|EX7|
PIRKGQRDLYSGLNQRAV