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IMGT reference sequences in FASTA format:

Amino acid 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) 
>AJ583695|B7H3*01|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AJ583695|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQG
SAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AJ583695|B7H3*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYQGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTIT
>AJ583695|B7H3*01|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFT
EGRDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AJ583695|B7H3*01|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTIT
>AJ583695|B7H3*01|Homo sapiens|F|EX6|
GQPMTFPPEALWVTVGLSVCLIALLVALAFVCWRKIKQSCEEENA
>AJ583695|B7H3*01|Homo sapiens|F|EX7|
GAEDQDGEGEGSKT
>AJ583695|B7H3*01|Homo sapiens|F|EX8|
ALQPLKHSDSKE
>AJ583695|B7H3*01|Homo sapiens|F|EX9|
DDGQEIA
>AJ583695|B7H3*01|Homo sapiens|F|EX1-9|
MLRRRGSPGMGVHVGAALGALWFCLTGALEVQVPEDPVVALVGTDATLCCSFSPEPGFSL
AQLNLIWQLTDTKQLVHSFAEGQDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSF
TCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDTVTITCSSYQGYPEAEVFWQD
GQGVPLTGNVTTSQMANEQGLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTITPQ
RSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEG
RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPY
SKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQGLF
DVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPPEALWVTVGLSVCLIAL
LVALAFVCWRKIKQSCEEENAGAEDQDGEGEGSKTALQPLKHSDSKEDDGQEIA
>AK075549|B7H3*02|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AK075549|B7H3*02|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQG
SAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AK075549|B7H3*02|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDMVTITCSSYQGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTIT
>AK075549|B7H3*02|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFT
EGRDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AK075549|B7H3*02|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTIT
>AK075549|B7H3*02|Homo sapiens|F|EX6|
GQPMTFPPEALWVTVGLSVCLIALLVALAFVCWRKIKQSCEEENA
>AK075549|B7H3*02|Homo sapiens|F|EX7|
GAEDQDGEGEGSKT
>AK075549|B7H3*02|Homo sapiens|F|EX8|
ALQPLKHSDSKE
>AK075549|B7H3*02|Homo sapiens|F|EX9|
DDGQEIA
>AK075549|B7H3*02|Homo sapiens|F|EX1-9|
MLRRRGSPGMGVHVGAALGALWFCLTGALEVQVPEDPVVALVGTDATLCCSFSPEPGFSL
AQLNLIWQLTDTKQLVHSFAEGQDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSF
TCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDMVTITCSSYQGYPEAEVFWQD
GQGVPLTGNVTTSQMANEQGLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTITPQ
RSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEG
RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPY
SKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQGLF
DVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPPEALWVTVGLSVCLIAL
LVALAFVCWRKIKQSCEEENAGAEDQDGEGEGSKTALQPLKHSDSKEDDGQEIA
>AK074849|B7H3*03|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AK074849|B7H3*03|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQG
SAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AK074849|B7H3*03|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDMVTITCSSYQGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTIT
>AK074849|B7H3*03|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFT
EGRDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AK074849|B7H3*03|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTIT
>AK074849|B7H3*03|Homo sapiens|F|EX6|
GQPMTFPPEALWVTVGPSVCLIALLVALAFVCWRKIKQSCEEENA
>AK074849|B7H3*03|Homo sapiens|F|EX7|
GAEDQDGEGEGSKT
>AK074849|B7H3*03|Homo sapiens|F|EX8|
ALQPLKHSDSKE
>AK074849|B7H3*03|Homo sapiens|F|EX10|
GKDTWA
>AK074849|B7H3*03|Homo sapiens|F|EX1-8,10|
MLRRRGSPGMGVHVGAALGALWFCLTGALEVQVPEDPVVALVGTDATLCCSFSPEPGFSL
AQLNLIWQLTDTKQLVHSFAEGQDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSF
TCFVSIRDFGSAAVSLQVAAPYSKPSMTLEPNKDLRPGDMVTITCSSYQGYPEAEVFWQD
GQGVPLTGNVTTSQMANEQGLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHSSVTITPQ
RSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFTEG
RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVAAPY
SKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQGLF
DVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTITGQPMTFPPEALWVTVGPSVCLIAL
LVALAFVCWRKIKQSCEEENAGAEDQDGEGEGSKTALQPLKHSDSKEGKDTWA
>AY358343|B7H3*01|Homo sapiens|F|EX1|splicing C|
MLRRRGSPGMGVHVGAALGALWFCLT
>AY358343|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|splicing C|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQG
SAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AY358343|B7H3*01|Homo sapiens|F|EX3|[D2]|C-LIKE|splicing C|
APYSKPSMTLEPNKDLRPGDTVTITCSSYQGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSILRVVLGANGTYSCLVRNPVLQQDAHXSVTIT
>AY358343|B7H3*01|Homo sapiens|F|EX6|splicing C|
GQPMTFPPEALWVTVGLSVCLIALLVALAFVCWRKIKQSCEEENA
>AY358343|B7H3*01|Homo sapiens|F|EX7|splicing C|
GAEDQDGEGEGSKT
>AY358343|B7H3*01|Homo sapiens|F|EX8|splicing C|
ALQPLKHSDSKE
>AY358343|B7H3*01|Homo sapiens|F|EX9|splicing C|
DDGQEIA
>AY358343|B7H3*01|Homo sapiens|F|EX1-9|splicing C|

>AF302102|B7H3*01|Homo sapiens|F|EX1|splicing D|
MLRRRGSPGMGVHVGAALGALWFCLT
>AF302102|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|splicing D|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFSLAQLNLIWQLTDTKQLVHSFAEGQDQG
SAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSIRDFGSAAVSLQVA
>AF302102|B7H3*01|Homo sapiens|F|EX5|[D4]|C-LIKE|splicing D|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYPEAEVFWQDGQGVPLTGNVTTSQMANEQ
GLFDVHSVLRVVLGANGTYSCLVRNPVLQQDAHGSVTIT
>AF302102|B7H3*01|Homo sapiens|F|EX6|splicing D|
GQPMTFPPEALWVTVGLSVCLIALLVALAFVCWRKIKQSCEEENA
>AF302102|B7H3*01|Homo sapiens|F|EX7|splicing D|
GAEDQDGEGEGSKT
>AF302102|B7H3*01|Homo sapiens|F|EX8|splicing D|
ALQPLKHSDSKE
>AF302102|B7H3*01|Homo sapiens|F|EX9|splicing D|
DDGQEIA