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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) 
>J04162|FCGR3B*01|Homo sapiens|F|EX1|
atgtggcagctgctcctcccaactgctctgctacttcta
>J04162|FCGR3B*01|Homo sapiens|F|EX2|
gtttcagctggcatgcggact
>J04162|FCGR3B*01|Homo sapiens|F|EX3|D1|C-LIKE|
gaagatctcccaaaggctgtggtgttcctggagcctcaatggtacagggtgctcgagaag
gacagtgtgactctgaagtgccagggagcctactcccctgaggacaattccacacagtgg
tttcacaatgagaacctcatctcaagccaggcctcgagctacttcattgacgctgccaca
gtcgacgacagtggagagtacaggtgccagacaaacctctccaccctcagtgacccggtg
cagctagaagtccatgtc
>J04162|FCGR3B*01|Homo sapiens|F|EX4|D2|C-LIKE|
ggctggctgttgctccaggcccctcggtgggtgttcaaggaggaagaccctattcacctg
aggtgtcacagctggaagaacactgctctgcataaggtcacatatttacagaatggcaaa
gacaggaagtattttcatcataattctgacttccacattccaaaagccacactcaaagat
agcggctcctacttctgcagggggcttgttgggagtaaaaatgtgtcttcagagactgtg
aacatcaccatcactcaa
>J04162|FCGR3B*01|Homo sapiens|F|EX5|
ggtttggcagtgtcaaccatctcatcattctctccacctgggtaccaagtctctttctgc
ttggtgatggtactcctttttgcagtggacacaggactatatttctctgtgaagacaaac
atttga
>FCGR3B*01|Homo sapiens|F|
atgtggcagctgctcctcccaactgctctgctacttctagtttcagctggcatgcggact
gaagatctcccaaaggctgtggtgttcctggagcctcaatggtacagggtgctcgagaag
gacagtgtgactctgaagtgccagggagcctactcccctgaggacaattccacacagtgg
tttcacaatgagaacctcatctcaagccaggcctcgagctacttcattgacgctgccaca
gtcgacgacagtggagagtacaggtgccagacaaacctctccaccctcagtgacccggtg
cagctagaagtccatgtcggctggctgttgctccaggcccctcggtgggtgttcaaggag
gaagaccctattcacctgaggtgtcacagctggaagaacactgctctgcataaggtcaca
tatttacagaatggcaaagacaggaagtattttcatcataattctgacttccacattcca
aaagccacactcaaagatagcggctcctacttctgcagggggcttgttgggagtaaaaat
gtgtcttcagagactgtgaacatcaccatcactcaaggtttggcagtgtcaaccatctca
tcattctctccacctgggtaccaagtctctttctgcttggtgatggtactcctttttgca
gtggacacaggactatatttctctgtgaagacaaacatttga