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IMGT reference sequences in FASTA format:

Nucleotide sequences with 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)
>AJ717664|BTLA*01|Homo sapiens|F|EX1|
atgaagacattgcctgccatgcttggaactgggaaattattttgggtcttcttcttaatc
ccatatctggacatctggaacatccatg
>AJ717664|BTLA*01|Homo sapiens|F|EX2|[D]|C-LIKE|
ggaaagaatcatgtgatgtacagctttatataaagagacaatctgaacactccatcttag
ca......ggagatccctttgaactagaatgccctgtgaaatactgtgct..........
.....aacaggcctcatgtgacttggtgcaagctcaatggaacaacatgtgtaaaacttg
aa.........gatagacaaacaagttggaaggaagagaag...................
...........aacatttcatttttcattctacattttgaaccagtgcttcct.......
.....aatgacaatgggtcataccgctgttctgcaaattttcag.........tctaatc
tcattgaaagccactcaacaactctttatgtgacag
>AJ717664|BTLA*01|Homo sapiens|F|EX3|
atgtaaaaagtgcctcagaacgaccctccaaggacgaaatggcaagcagaccctggctcc
tgtatagtttacttcctttggggggattgcctctactcatcactacctgtttctgcctgt
tctgctgcctgagaaggcaccaag
>AJ717664|BTLA*01|Homo sapiens|F|EX4|
gaaagcaaaatgaactctctgacacagcaggaagggaaattaacctgg
>AJ717664|BTLA*01|Homo sapiens|F|EX5|
ttgatgctcaccttaagagtgagcaaacagaagcaagcaccaggcaaaattcccaagtac
tgctatcagaaactggaatttatgataatgaccctgacctttgtttcaggatgcaggaag
ggtctgaagtttattctaatccatgcctggaagaaaacaaaccaggcattgtttatgctt
ccctgaaccattctgtcattggactgaactcaagactggcaagaaatgtaaaagaagcac
caacagaatatgcatccatatgtgtgaggagt
>DQ198368|BTLA*01|Homo sapiens|F|EX1|SplicingB|
atgaagacattgcctgccatgcttggaactgggaaattattttgggtcttcttcttaatc
ccatatctggacatctggaacatccatg
>DQ198368|BTLA*01|Homo sapiens|F|EX2|[D]|C-LIKE|SplicingB|
ggaaagaatcatgtgatgtacagctttatataaagagacaatctgaacactccatcttag
ca......ggagatccctttgaactagaatgccctgtgaaatactgtgct..........
.....aacaggcctcatgtgacttggtgcaagctcaatggaacaacatgtgtaaaacttg
aa.........gatagacaaacaagttggaaggaagagaag...................
...........aacatttcatttttcattctacattttgaaccagtgcttcct.......
.....aatgacaatgggtcataccgctgttctgcaaattttcag.........tctaatc
tcattgaaagccactcaacaactctttatgtgacag
>DQ198368|BTLA*01|Homo sapiens|F|EX4|SplicingB|
gaaagcaaaatgaactctctgacacagcaggaagggaaattaacctgg
>DQ198368|BTLA*01|Homo sapiens|F|EX5|SplicingB|
ttgatgctcaccttaagagtgagcaaacagaagcaagcaccaggcaaaattcccaagtac
tgctatcagaaactggaatttatgataatgaccctgacctttgtttcaggatgcaggaag
ggtctgaagtttattctaatccatgcctggaagaaaacaaaccaggcattgtttatgctt
ccctgaaccattctgtcattggactgaactcaagactggcaagaaatgtaaaagaagcac
caacagaatatgcatccatatgtgtgaggagt
>NM_181780|BTLA*02|Homo sapiens|F|EX1|
atgaagacattgcctgccatgcttggaactgggaaattattttgggtcttcttcttaatc
ccatatctggacatctggaacatccatg
>NM_181780|BTLA*02|Homo sapiens|F|EX2|[D]|C-LIKE|
ggaaagaatcatgtgatgtacagctttatataaagagacaatctgaacactccatcttag
ca......ggagatccctttgaactagaatgccctgtgaaatactgtgct..........
.....aacaggcctcatgtgacttggtgcaagctcaatggaacaacatgtgtaaaacttg
aa.........gatagacaaacaagttggaaggaagagaag...................
...........aacatttcatttttcattctacatttcgaaccagtgcttcct.......
.....aatgacaatgggtcataccgctgttctgcaaattttcag.........tctaatc
tcattgaaagccactcaacaactctttatgtgacag
>NM_181780|BTLA*02|Homo sapiens|F|EX3|
atgtaaaaagtgcctcagaacgaccctccaaggacgaaatggcaagcagaccctggctcc
tgtatagtttacttcctttggggggattgcctctactcatcactacctgtttctgcctgt
tctgctgcctgagaaggcaccaag
>NM_181780|BTLA*02|Homo sapiens|F|EX4|
gaaagcaaaatgaactctctgacacagcaggaagggaaattaacctgg
>NM_181780|BTLA*02|Homo sapiens|F|EX5|
ttgatgctcaccttaagagtgagcaaacagaagcaagcaccaggcaaaattcccaagtac
tgctatcagaaactggaatttatgataatgaccctgacctttgtttcaggatgcaggaag
ggtctgaagtttattctaatccatgcctggaagaaaacaaaccaggcattgtttatgctt
ccctgaaccattctgtcattggactgaactcaagactggcaagaaatgtaaaagaagcac
caacagaatatgcatccatatgtgtgaggagt
>AK131204|BTLA*03|Homo sapiens|F|EX1|
atgaagacattgcctgccatgcttggaactgggaaattattttgggtcttcttcttaatc
ccatatctggacatctggaacatccatg
>AK131204|BTLA*03|Homo sapiens|F|EX2|[D]|C-LIKE|
ggaaagaatcatgtgatgtacagctttatataaagagacaatctgaacactccatcttag
ca......ggagatccctttgaactagaatgccctgtgaaatactgtgct..........
.....aacaggcctcatgtgacttggtgcaagctcaatggaacaacatgtgtaaaacttg
aa.........gatagacaaacaagttggaaggaagagaag...................
...........aacatttcatttttcattctacatttcgaaccagtgcttcct.......
.....aatgacaatgggtcataccgctgttctgcaaattttcag.........tctaatc
tcattgaaagccactcaacaactctttatgtgacag
>AK131204|BTLA*03|Homo sapiens|F|EX3|
atgtaaaaagtgcctcagaacgaccctccaaggacgaaatggcaagcagaccctggctcc
tgtatagtttacttcctttggggggattgcctctactcatcactacctgtttctgcctgt
tctgctgcctgagaaggcaccaag
>AK131204|BTLA*03|Homo sapiens|F|EX4|
gaaagcaaaatgaactctctgacacagcaggaagggaaattaacctgg
>AK131204|BTLA*03|Homo sapiens|F|EX5|
ttgatgctcaccttaagagtgagcaaacagaagcaagcaccaggcaaaattcccaagtac
cgctatcagaaactggaatttatgataatgaccctgacctttgtttcaggatgcaggaag
ggtctgaagtttattctaatccatgcctggaagaaaacaaaccaggcattgtttatgctt
ccctgaaccattctgtcattggactgaactcaagactggcaagaaatgtaaaagaagcac
caacagaatatgcatccatatgtgtgaggagt
>AY293286|BTLA*04|Homo sapiens|F|EX1|
atgaagacattgcctgccatgcttggaactgggaaattattttgggtcttcttcttaatc
ccatatctggacatctggaacatccatg
>AY293286|BTLA*04|Homo sapiens|F|EX2|[D]|C-LIKE|
ggaaagaatcatgtgatgtacagctttatataaagagacaatctgaacactccatcttag
ca......ggagatccctttgaactagaatgccctgtgaaatactgtgct..........
.....aacaggcctcatgtgacttggtgcaagctcaatggaacaacatgtgtaaaacttg
aa.........gatagacaaacaagttggaaggaagagaag...................
...........aacatttcatttttcattctacattttgaaccaatgcttcct.......
.....aatgacaatgggtcataccgctgttctgcaaattttcag.........tctaatc
tcattgaaagccactcaacaactctttatgtgacag
>AY293286|BTLA*04|Homo sapiens|F|EX3|
atgtaaaaggtgcctcagaacgaccctccaaggacgaagtggcaagcagaccctggctcc
tgtatagtttacttcctttggggggattgcctctactcatcactacctggttctgcctgt
tctgctgcctgagaaggcaccaag
>AY293286|BTLA*04|Homo sapiens|F|EX4|
gaaagcaaaatgaactctctgacacagcaggaagggaaattaatctgg
>AY293286|BTLA*04|Homo sapiens|F|EX5|
ttgatgctcaccttaagagcgagcaaacagaagcaagcaccaggcaaaattcccaagtac
tgctatcagaagctggaatttatgataatgaccctgacctttgtttcaggatgcaggaag
ggtctgaagtttgttctaatccatgcctggaagaaaacaaaccaggcattgtttatgctt
ccctgaaccattctgtcattggactgaactcaagactggcaagaaatgtaaaagaagcac
caacagaatatgcatccatatgtgtgaggagt