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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) 
>AY293285|B7H1*01|Homo sapiens|F|EX1|
atgaggatatttgctgtctttatattcatgacctactggcatttgctgaacg
>AY293285|B7H1*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
catttactgtcacggttcccaaggacctatatgtggtagagtatggtagcaatatgacaa
ttgaatgcaaattcccagtagaaaaacaattagacctggctgcactaattgtctattggg
aaatggaggataagaacattattcaatttgtgcatggagaggaagacctgaaggttcagc
atagtagctacagacagagggcccggctgttgaaggaccagctctccctgggaaatgctg
cacttcagatcacagatgtgaaattgcaggatgcaggggtgtaccgctgcatgatcagct
atggtggtgccgactacaagcgaattactgtgaaagtcaatg
>AY293285|B7H1*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
ccccatacaacaaaatcaaccaaagaattttggttgtggatccagtcacctctgaacatg
aactgacatgtcaggctgagggctaccccaaggccgaagtcatctggacaagcagtgacc
atcaagtcctgagtggtaagaccaccaccaccaattccaagagagaggagaagcttttca
atgtgaccagcacactgagaatcaacacaacaactaatgagattttctactgcactttta
ggagattagatcctgaggaaaaccatacagctgaattggtcatcccag
>AY293285|B7H1*01|Homo sapiens|F|EX4|
aactacctctggcacatcctccaaatgaaaggactcacttggtaattctgggagccatct
tattatgccttggtgtagcactgacattcatcttccgtttaagaaaag
>AY293285|B7H1*01|Homo sapiens|F|EX5|
ggagaatgatggatgtgaaaaaatgtggcatccaagatacaaactcaaagaagcaaagtg
>AY293285|B7H1*01|Homo sapiens|F|EX6|
atacacatttggaggagacg
>B7H1*01|Homo sapiens|F|EX1-EX6|Splicing A|complete|
atgaggatatttgctgtctttatattcatgacctactggcatttgctgaacgcatttact
gtcacggttcccaaggacctatatgtggtagagtatggtagcaatatgacaattgaatgc
aaattcccagtagaaaaacaattagacctggctgcactaattgtctattgggaaatggag
gataagaacattattcaatttgtgcatggagaggaagacctgaaggttcagcatagtagc
tacagacagagggcccggctgttgaaggaccagctctccctgggaaatgctgcacttcag
atcacagatgtgaaattgcaggatgcaggggtgtaccgctgcatgatcagctatggtggt
gccgactacaagcgaattactgtgaaagtcaatgccccatacaacaaaatcaaccaaaga
attttggttgtggatccagtcacctctgaacatgaactgacatgtcaggctgagggctac
cccaaggccgaagtcatctggacaagcagtgaccatcaagtcctgagtggtaagaccacc
accaccaattccaagagagaggagaagcttttcaatgtgaccagcacactgagaatcaac
acaacaactaatgagattttctactgcacttttaggagattagatcctgaggaaaaccat
acagctgaattggtcatcccagaactacctctggcacatcctccaaatgaaaggactcac
ttggtaattctgggagccatcttattatgccttggtgtagcactgacattcatcttccgt
ttaagaaaagggagaatgatggatgtgaaaaaatgtggcatccaagatacaaactcaaag
aagcaaagtgatacacatttggaggagacgtaa