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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) 
>U05259|CD79A*01|Homo sapiens|F|EX1|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgg
>U05259|CD79A*01|Homo sapiens|F|EX2|[D1]|C-LIKE|
gccctgggtgccaggccctgtggatgcacaaggtcccagcatcattgatggtgagcctgg
gggaagacgcccacttccaatgcccgcacaatagcagcaacaacgccaacgtcacctggt
ggcgcgtcctccatggcaactacacgtggccccctgagttcttgggcccgggcgaggacc
ccaatggtacgctgatcatccagaatgtgaacaagagccatgggggcatatacgtgtgcc
gggtccaggagggcaacgagtcataccagcagtcctgcggcacctacctccgcgtgcgcc
>U05259|CD79A*01|Homo sapiens|F|EX3|
agccgccccccaggcccttcctggacatgggggagggcaccaagaaccgaatcatcacag
ccgaggggatcatcctcctgttctgcgcggtggtgcctgggacgctgctgctgttcagg
>U05259|CD79A*01|Homo sapiens|F|EX4|
aaacgatggcagaacgagaagctcgggttggatgccggggatgaatatgaagatgaaaac
ctttatgaa
>U05259|CD79A*01|Homo sapiens|F|EX5|
ggcctgaacctggacgactgctccatgtatgaggacatctcccggggcctccagggcacc
taccaggatgtgggcagcctcaacataggagatgtccagctggagaagccg
>CD79A*01|Homo sapiens|F|EX1-5|Complete|Splicing A|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgggccctgggtgccaggccctgtggatgcacaaggtcccagca
tcattgatggtgagcctgggggaagacgcccacttccaatgcccgcacaatagcagcaac
aacgccaacgtcacctggtggcgcgtcctccatggcaactacacgtggccccctgagttc
ttgggcccgggcgaggaccccaatggtacgctgatcatccagaatgtgaacaagagccat
gggggcatatacgtgtgccgggtccaggagggcaacgagtcataccagcagtcctgcggc
acctacctccgcgtgcgccagccgccccccaggcccttcctggacatgggggagggcacc
aagaaccgaatcatcacagccgaggggatcatcctcctgttctgcgcggtggtgcctggg
acgctgctgctgttcaggaaacgatggcagaacgagaagctcgggttggatgccggggat
gaatatgaagatgaaaacctttatgaaggcctgaacctggacgactgctccatgtatgag
gacatctcccggggcctccagggcacctaccaggatgtgggcagcctcaacataggagat
gtccagctggagaagccgtga
>M74721|CD79A*02|Homo sapiens|F|EX1|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgg
>M74721|CD79A*02|Homo sapiens|F|EX2|[D1]|C-LIKE|
gccctgggtgccaggccctgtggatgcacaaggtcccagcatcattgatggtgagcctgg
gggaagacgcccacttccaatgcccgcacaatagcagcaacaacgccaacgtcacctggt
ggcgcatcctccatggcaactacacgtggccccctgagttcttgggcccgggcgaggacc
ccaatggtacgctgatcatccagaatgtgaacaagagccatgggggcatatacgtgtgcc
gggtccaggagggcaacgagtcataccagcagtcctgcggcacctacctccgcgtgcgcc
>M74721|CD79A*02|Homo sapiens|F|EX3|
agccgccccccaggcccttcctggacatgggggagggcaccaagaaccgaatcatcacag
ccgaggggatcatcctcctgttctgcgcggtggtgcctgggacgctgctgctgttcagg
>M74721|CD79A*02|Homo sapiens|F|EX4|
aaacgatggcagaacgagaagctcgggttggatgccggggatgaatatgaagatgaaaac
ctttatgaa
>M74721|CD79A*02|Homo sapiens|F|EX5|
ggcctgaacctggacgactgctccatgtatgaggacatctcccggggcctccagggcacc
taccaggatgtgggcagcctcaacataggagatgtccagctggagaagccg
>CD79A*02|Homo sapiens|F|EX1-5|Complete|Splicing A|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgggccctgggtgccaggccctgtggatgcacaaggtcccagca
tcattgatggtgagcctgggggaagacgcccacttccaatgcccgcacaatagcagcaac
aacgccaacgtcacctggtggcgcatcctccatggcaactacacgtggccccctgagttc
ttgggcccgggcgaggaccccaatggtacgctgatcatccagaatgtgaacaagagccat
gggggcatatacgtgtgccgggtccaggagggcaacgagtcataccagcagtcctgcggc
acctacctccgcgtgcgccagccgccccccaggcccttcctggacatgggggagggcacc
aagaaccgaatcatcacagccgaggggatcatcctcctgttctgcgcggtggtgcctggg
acgctgctgctgttcaggaaacgatggcagaacgagaagctcgggttggatgccggggat
gaatatgaagatgaaaacctttatgaaggcctgaacctggacgactgctccatgtatgag
gacatctcccggggcctccagggcacctaccaggatgtgggcagcctcaacataggagat
gtccagctggagaagccgtga
>AK223371|CD79A*03|Homo sapiens|F|EX1|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgg
>AK223371|CD79A*03|Homo sapiens|F|EX2|[D1]|C-LIKE|
gccctgggtgccaggccctgtggatgcacaaggtcccagcatcattgatggtgagcctgg
tggaagacgcccacttccaatgcccgcacaatagcagcaacaacgccaacgtcacctggt
ggcgcgtcctccatggcaactacacgtggccccctgagttcttgggcccgggcgaggacc
ccaatggtacgctgatcatccagaatgtgaacaagagccatgggggcatatacgtgtgcc
gggtccaggagggcaacgagtcataccagcagtcctgcggcacctacctccgcgtgcgcc
>AK223371|CD79A*03|Homo sapiens|F|EX3|
agccgccccccaggcccttcctggacatgggggagggcaccaagaaccgaatcatcacag
ccgaggggatcatcctcctgttctgcgcggtggtgcctgggacgctgctgctgttcagg
>AK223371|CD79A*03|Homo sapiens|F|EX4|
aaacgatggcagaacgagaagctcgggttggatgccggggatgaatatgaagatgaaaac
ctttatgga
>AK223371|CD79A*03|Homo sapiens|F|EX5|
ggcctgaacctggacgactgctccatgtatgaggacatctcccggggcctccagggcacc
taccaggatgtgggcagcctcaacataggagatgtccagctggagaagccg
>CD79A*03|Homo sapiens|F|EX1-5|Complete|Splicing A|
atgcctgggggtccaggagtcctccaagctctgcctgccaccatcttcctcctcttcctg
ctgtctgctgtctacctgggccctgggtgccaggccctgtggatgcacaaggtcccagca
tcattgatggtgagcctggtggaagacgcccacttccaatgcccgcacaatagcagcaac
aacgccaacgtcacctggtggcgcgtcctccatggcaactacacgtggccccctgagttc
ttgggcccgggcgaggaccccaatggtacgctgatcatccagaatgtgaacaagagccat
gggggcatatacgtgtgccgggtccaggagggcaacgagtcataccagcagtcctgcggc
acctacctccgcgtgcgccagccgccccccaggcccttcctggacatgggggagggcacc
aagaaccgaatcatcacagccgaggggatcatcctcctgttctgcgcggtggtgcctggg
acgctgctgctgttcaggaaacgatggcagaacgagaagctcgggttggatgccggggat
gaatatgaagatgaaaacctttatggaggcctgaacctggacgactgctccatgtatgag
gacatctcccggggcctccagggcacctaccaggatgtgggcagcctcaacataggagat
gtccagctggagaagccgtga
>X13451|CD79A*04|Homo sapiens|F|EX5|
ggcctgaacctggacgactgctccatgtatgaggacatctcccggggcctccagggcacc
taccaggatgtgggcagcctcaacatagcagatgtccagc
>X13451|CD79A*04|Homo sapiens|F|EX6|
aacgcgaggggagaggcggtttgcgtattgggcgccagggtggtttttcttttcaccag
>CD79A*04|Homo sapiens|F|EX5-6|partial|Splicing C|
ggcctgaacctggacgactgctccatgtatgaggacatctcccggggcctccagggcacc
taccaggatgtgggcagcctcaacatagcagatgtccagcaacgcgaggggagaggcggt
ttgcgtattgggcgccagggtggtttttcttttcaccagtga