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IMGT reference sequences in FASTA format:

Amino acid sequences without 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) 
>AF164519|SLAM*01|Mus musculus|F|EX1|
MDPKGSLSWRILLFLSLAFELSYGT
>AF164520|SLAM*01|Mus musculus|F|EX2|[D1]|V-LIKE|
GGGVMDCPVILQKLGQDTWLPLTNEHQINKSVNKSVRILVTMATSPGSKSNKKIVSFDLS
KGSYPDHLEDGYHFQSKNLSLKILGNRRESEGWYLVSVEENVSVQQFCKQLKLY
>AF164520|SLAM*01|Mus musculus|F|EX3|[D2]|C-LIKE|
EQVSPPEIKVLNKTQENENGTCSLLLACTVKKGDHVTYSWSDEAGTHLLSRANRSHLLHI
TLSNQHQDSIYNCTASNPVSSISRTFNLSSQACKQESSS
>AF164521|SLAM*01|Mus musculus|F|EX4|
ESSPWMQYTLVPLGVVIIFILVFTAIIMMKRQ
>AF164522|SLAM*01|Mus musculus|F|EX5|
GKSNHCQPPVEEKSLTIYAQVQKSG
>AF164523|SLAM*01|Mus musculus|F|EX6|
PQEKKLHDALTDQDPCTTIYVAATEPAPESVQ
>AF164523|SLAM*01|Mus musculus|F|EX7|
EPNPTTVYASVTLPES
>SLAM*01|Mus musculus|F|EX1-7|complete|Splicing A|
MDPKGSLSWRILLFLSLAFELSYGTGGGVMDCPVILQKLGQDTWLPLTNEHQINKSVNKS
VRILVTMATSPGSKSNKKIVSFDLSKGSYPDHLEDGYHFQSKNLSLKILGNRRESEGWYL
VSVEENVSVQQFCKQLKLYEQVSPPEIKVLNKTQENENGTCSLLLACTVKKGDHVTYSWS
DEAGTHLLSRANRSHLLHITLSNQHQDSIYNCTASNPVSSISRTFNLSSQACKQESSSES
SPWMQYTLVPLGVVIIFILVFTAIIMMKRQGKSNHCQPPVEEKSLTIYAQVQKSGPQEKK
LHDALTDQDPCTTIYVAATEPAPESVQEPNPTTVYASVTLPES