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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) 
>M31314|FCGR1*01|Mus musculus|F|EX1|
atgattcttaccagctttggagatgacatgtggcttctaacaactctgctactttgg
>M31314|FCGR1*01|Mus musculus|F|EX2|
gttccagtcggtggggaagtg
>M31314|FCGR1*01|Mus musculus|F|EX3|[D1]|C-LIKE|
gttaatgccaccaaggctgtgatcaccttgcagcctccatgggtcagtattttccagaag
gaaaatgtcactttatggtgtgaggggcctcacctgcctggagacagttccacacaatgg
tttatcaacggaacagccgttcagatctccacgcctagttatagcatcccagaggccagt
tttcaggacagtggcgaatacaggtgtcagataggttcctcaatgccaagtgaccctgtg
cagttgcaaatccacaat
>M31314|FCGR1*01|Mus musculus|F|EX4|[D2]|C-LIKE|
gattggctgctactccaggcctcccgcagagtcctcacagaaggagaacccctggccttg
aggtgtcacggatggaagaataaactggtgtacaatgtggttttctatagaaatggaaaa
tcctttcagttttcttcagattcggaggtcgccattctgaaaaccaacctgagtcacagc
ggcatctaccactgctcaggcacgggaagacaccgctacacatctgcaggagtgtccatc
acggtgaaa
>M31314|FCGR1*01|Mus musculus|F|EX5|[D3]|C-LIKE|
gagctgtttaccacgccagtgctgagagcatccgtgtcatctcccttcccggaggggagt
ctggtcaccctgaactgtgagacgaatttgctcctgcagagacccggcttacagcttcac
ttctccttctacgtgggcagcaagatcctggagtacaggaacacatcctcagagtaccat
atagcaagggcggaaagagaagatgctggattctactggtgtgaggtagccacggaggac
agcagtgtccttaagcgcagccctgagttggagctccaagtgc
>M31314|FCGR1*01|Mus musculus|F|EX6|[D4]|
ttggtccccagtcatcagctcctgtctggtttcacatcctgttttatctgtcagtgggaa
taatgttttcgttgaacacggttctctatgtgaaaatacacaggctgcagagagagaaga
aatacaacttagaagtccctttggtttctgagcagggaaagaaagcaaattcctttcagc
aagttagaagcgatggcgtgtatgaagaagtaacagccactgcgagccagaccacaccaa
aagaagcgcccgatggacctcgaagctcagtgggtgactgtggacccgagcagcctgaac
cccttcctcccagtgacagtactggggcacaaacttcccaaagttga
>M31314|FCGR1*01|Mus musculus|F|
atgattcttaccagctttggagatgacatgtggcttctaacaactctgctactttgggtt
ccagtcggtggggaagtggttaatgccaccaaggctgtgatcaccttgcagcctccatgg
gtcagtattttccagaaggaaaatgtcactttatggtgtgaggggcctcacctgcctgga
gacagttccacacaatggtttatcaacggaacagccgttcagatctccacgcctagttat
agcatcccagaggccagttttcaggacagtggcgaatacaggtgtcagataggttcctca
atgccaagtgaccctgtgcagttgcaaatccacaatgattggctgctactccaggcctcc
cgcagagtcctcacagaaggagaacccctggccttgaggtgtcacggatggaagaataaa
ctggtgtacaatgtggttttctatagaaatggaaaatcctttcagttttcttcagattcg
gaggtcgccattctgaaaaccaacctgagtcacagcggcatctaccactgctcaggcacg
ggaagacaccgctacacatctgcaggagtgtccatcacggtgaaagagctgtttaccacg
ccagtgctgagagcatccgtgtcatctcccttcccggaggggagtctggtcaccctgaac
tgtgagacgaatttgctcctgcagagacccggcttacagcttcacttctccttctacgtg
ggcagcaagatcctggagtacaggaacacatcctcagagtaccatatagcaagggcggaa
agagaagatgctggattctactggtgtgaggtagccacggaggacagcagtgtccttaag
cgcagccctgagttggagctccaagtgcttggtccccagtcatcagctcctgtctggttt
cacatcctgttttatctgtcagtgggaataatgttttcgttgaacacggttctctatgtg
aaaatacacaggctgcagagagagaagaaatacaacttagaagtccctttggtttctgag
cagggaaagaaagcaaattcctttcagcaagttagaagcgatggcgtgtatgaagaagta
acagccactgcgagccagaccacaccaaaagaagcgcccgatggacctcgaagctcagtg
ggtgactgtggacccgagcagcctgaaccccttcctcccagtgacagtactggggcacaa
acttcccaaagttga