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IMGT reference sequences in FASTA format:

Nucleotide 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) 
>AF142780|B7DC*01|Mus musculus|F|EX1|
atgctgctcctgctgccgatactgaacctgagcttacaacttcatcctgtagcag
>AF142780|B7DC*01|Mus musculus|F|EX2|[D1]|V-LIKE|
ctttattcaccgtgacagcccctaaagaagtgtacaccgtagacgtcggcagcagtgtga
gcctggagtgcgattttgaccgcagagaatgcactgaactggaagggataagagccagtt
tgcagaaggtagaaaatgatacgtctctgcaaagtgaaagagccaccctgctggaggagc
agctgcccctgggaaaggctttgttccacatccctagtgtccaagtgagagattccgggc
agtaccgttgcctggtcatctgcggggccgcctgggactacaagtacctgacggtgaaag
tcaaag
>AF142780|B7DC*01|Mus musculus|F|EX3|[D2]|C-LIKE|
cttcttacatgaggatagacactaggatcctggaggttccaggtacaggggaggtgcagc
ttacctgccaggctagaggttatcccctagcagaagtgtcctggcaaaatgtcagtgttc
ctgccaacaccagccacatcaggacccccgaaggcctctaccaggtcaccagtgttctgc
gcctcaagcctcagcctagcagaaacttcagctgcatgttctggaatgctcacatgaagg
agctgacttcagccatcattgaccctctga
>AF142780|B7DC*01|Mus musculus|F|EX4|
gtcggatggaacccaaagtccccagaacgtggccacttcatgttttcatcccggcctgca
ccatcgctttgatcttcctggccatagtgataatccagagaaagaggatc
>B7DC*01|Mus musculus|F|EX1-EX4|Splicing A|complete|
atgctgctcctgctgccgatactgaacctgagcttacaacttcatcctgtagcagcttta
ttcaccgtgacagcccctaaagaagtgtacaccgtagacgtcggcagcagtgtgagcctg
gagtgcgattttgaccgcagagaatgcactgaactggaagggataagagccagtttgcag
aaggtagaaaatgatacgtctctgcaaagtgaaagagccaccctgctggaggagcagctg
cccctgggaaaggctttgttccacatccctagtgtccaagtgagagattccgggcagtac
cgttgcctggtcatctgcggggccgcctgggactacaagtacctgacggtgaaagtcaaa
gcttcttacatgaggatagacactaggatcctggaggttccaggtacaggggaggtgcag
cttacctgccaggctagaggttatcccctagcagaagtgtcctggcaaaatgtcagtgtt
cctgccaacaccagccacatcaggacccccgaaggcctctaccaggtcaccagtgttctg
cgcctcaagcctcagcctagcagaaacttcagctgcatgttctggaatgctcacatgaag
gagctgacttcagccatcattgaccctctgagtcggatggaacccaaagtccccagaacg
tggccacttcatgttttcatcccggcctgcaccatcgctttgatcttcctggccatagtg
ataatccagagaaagaggatctag