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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) 
>AJ132502|VSIG4*01|Homo sapiens|F|EX1|
atggggatcttactgggcctgctactcctggggcacctaacagtggacacttatg
>AJ132502|VSIG4*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
gccgtcccatcctggaagtgccagagagtgtaacaggaccttggaaaggggatgtgaatc
ttccctgcacctatgaccccctgcaaggctacacccaagtcttggtgaagtggctggtac
aacgtggctcagaccctgtcaccatctttctacgtgactcttctggagaccatatccagc
aggcaaagtaccagggccgcctgcatgtgagccacaaggttccaggagatgtatccctcc
aattgagcaccctggagatggatgaccggagccactacacgtgtgaagtcacctggcaga
ctcctgatggcaaccaagtcgtgagagataagattactgagctccgtgtccagaaac
>AJ132502|VSIG4*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
tctctgtctccaagcccacagtgacaactggcagcggttatggcttcacggtgccccagg
gaatgaggattagccttcaatgccaggctcggggttctcctcccatcagttatatttggt
ataagcaacagactaataaccaggaacccatcaaagtagcaaccctaagtaccttactct
tcaagcctgcggtgatagccgactcaggctcctatttctgcactgccaagggccaggttg
gctctgagcagcacagcgacattgtgaagtttgtggtcaaag
>AJ132502|VSIG4*01|Homo sapiens|F|EX4|
actcctcaaagctactcaagaccaagactgaggcacctacaaccatgacataccccttga
aag
>AJ132502|VSIG4*01|Homo sapiens|F|EX5|
caacatctacagtgaagcagtcctgggactggaccactgacatggatggctaccttggag
agaccagtgctgggccag
>AJ132502|VSIG4*01|Homo sapiens|F|EX6|
gaaagagcctgcctgtctttgccatcatcctcatcatctccttgtgctgtatggtggttt
ttaccatggcctatatcatgctctgtcggaagacatcccaacaag
>AJ132502|VSIG4*01|Homo sapiens|F|EX7|
agcatgtctacgaagcagccag
>AJ132502|VSIG4*01|Homo sapiens|F|EX8|
ggcacatgccagagaggccaacgactctggagaaaccatgagggtggccatcttcgcaag
tggctgctccagtgatgagccaacttcccagaatctgggcaacaactactctgatgagcc
ctgcataggacaggagtaccagatcatcgcccagatcaatggcaactacgcccgcctgct
ggacacagttcctctggattatgagtttctggccactgagggcaaaagtgtctgt
>VSIG4*01|Homo sapiens|F|EX1-8|
atggggatcttactgggcctgctactcctggggcacctaacagtggacacttatggccgt
cccatcctggaagtgccagagagtgtaacaggaccttggaaaggggatgtgaatcttccc
tgcacctatgaccccctgcaaggctacacccaagtcttggtgaagtggctggtacaacgt
ggctcagaccctgtcaccatctttctacgtgactcttctggagaccatatccagcaggca
aagtaccagggccgcctgcatgtgagccacaaggttccaggagatgtatccctccaattg
agcaccctggagatggatgaccggagccactacacgtgtgaagtcacctggcagactcct
gatggcaaccaagtcgtgagagataagattactgagctccgtgtccagaaactctctgtc
tccaagcccacagtgacaactggcagcggttatggcttcacggtgccccagggaatgagg
attagccttcaatgccaggctcggggttctcctcccatcagttatatttggtataagcaa
cagactaataaccaggaacccatcaaagtagcaaccctaagtaccttactcttcaagcct
gcggtgatagccgactcaggctcctatttctgcactgccaagggccaggttggctctgag
cagcacagcgacattgtgaagtttgtggtcaaagactcctcaaagctactcaagaccaag
actgaggcacctacaaccatgacataccccttgaaagcaacatctacagtgaagcagtcc
tgggactggaccactgacatggatggctaccttggagagaccagtgctgggccaggaaag
agcctgcctgtctttgccatcatcctcatcatctccttgtgctgtatggtggtttttacc
atggcctatatcatgctctgtcggaagacatcccaacaagagcatgtctacgaagcagcc
agggcacatgccagagaggccaacgactctggagaaaccatgagggtggccatcttcgca
agtggctgctccagtgatgagccaacttcccagaatctgggcaacaactactctgatgag
ccctgcataggacaggagtaccagatcatcgcccagatcaatggcaactacgcccgcctg
ctggacacagttcctctggattatgagtttctggccactgagggcaaaagtgtctgttaa
>AY358341|VSIG4*01|Homo sapiens|F|EX1|
atggggatcttactgggcctgctactcctggggcacctaacagtggacacttatg
>AY358341|VSIG4*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
gccgtcccatcctggaagtgccagagagtgtaacaggaccttggaaaggggatgtgaatc
ttccctgcacctatgaccccctgcaaggctacacccaagtcttggtgaagtggctggtac
aacgtggctcagaccctgtcaccatctttctacgtgactcttctggagaccatatccagc
aggcaaagtaccagggccgcctgcatgtgagccacaaggttccaggagatgtatccctcc
aattgagcaccctggagatggatgaccggagccactacacgtgtgaagtcacctggcaga
ctcctgatggcaaccaagtcgtgagagataagattactgagctccgtgtccagaaac
>AY358341|VSIG4*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
tctctgtctccaagcccacagtgacaactggcagcggttatggcttcacggtgccccagg
gaatgaggattagccttcaatgccaggctcggggttctcctcccatcagttatatttggt
ataagcaacagactaataaccaggaacccatcaaagtagcaaccctaagtaccttactct
tcaagcctgcggtgatagccgactcaggctcctatttctgcactgccaagggccaggttg
gctctgagcagcacagcgacattgtgaagtttgtggtcaaag
>AY358341|VSIG4*01|Homo sapiens|F|EX4|
actcctcaaagctactcaagaccaagactgaggcacctacaaccatgacataccccttga
aag
>AY358341|VSIG4*01|Homo sapiens|F|EX5|
caacatctacagtgaagcagtcctgggactggaccactgacatggatggctaccttggag
agaccagtgctgggccag
>AY358341|VSIG4*01|Homo sapiens|F|EX6|
gaaagagcctgcctgtctttgccatcatcctcatcatctccttgtgctgtatggtggttt
ttaccatggcctatatcatgctctgtcggaagacatcccaacaag
>AY358341|VSIG4*01|Homo sapiens|F|EX7|
agcatgtctacgaagcagccag
>VSIG4*01|Homo sapiens|F|EX1-7|Splicing B|
atggggatcttactgggcctgctactcctggggcacctaacagtggacacttatggccgt
cccatcctggaagtgccagagagtgtaacaggaccttggaaaggggatgtgaatcttccc
tgcacctatgaccccctgcaaggctacacccaagtcttggtgaagtggctggtacaacgt
ggctcagaccctgtcaccatctttctacgtgactcttctggagaccatatccagcaggca
aagtaccagggccgcctgcatgtgagccacaaggttccaggagatgtatccctccaattg
agcaccctggagatggatgaccggagccactacacgtgtgaagtcacctggcagactcct
gatggcaaccaagtcgtgagagataagattactgagctccgtgtccagaaactctctgtc
tccaagcccacagtgacaactggcagcggttatggcttcacggtgccccagggaatgagg
attagccttcaatgccaggctcggggttctcctcccatcagttatatttggtataagcaa
cagactaataaccaggaacccatcaaagtagcaaccctaagtaccttactcttcaagcct
gcggtgatagccgactcaggctcctatttctgcactgccaagggccaggttggctctgag
cagcacagcgacattgtgaagtttgtggtcaaagactcctcaaagctactcaagaccaag
actgaggcacctacaaccatgacataccccttgaaagcaacatctacagtgaagcagtcc
tgggactggaccactgacatggatggctaccttggagagaccagtgctgggccaggaaag
agcctgcctgtctttgccatcatcctcatcatctccttgtgctgtatggtggtttttacc
atggcctatatcatgctctgtcggaagacatcccaacaagagcatgtctacgaagcagcc
aggtaa