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IMGT reference sequences in FASTA format:

Amino acid 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) 
>AJ583695|B7H3*01|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AJ583695|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSFAEG...
.....QDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....RDFGSA
AVSLQVA
>AJ583695|B7H3*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYQGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSILRVVL.GANGTYSCLVRNPVLQQDAHSSVTIT
>AJ583695|B7H3*01|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSF
TEG........RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....
RDFGSAAVSLQVA
>AJ583695|B7H3*01|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSVLRVVL.GANGTYSCLVRNPVLQQDAHGSVTIT
>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
>AK075549|B7H3*02|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AK075549|B7H3*02|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSFAEG...
.....QDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....RDFGSA
AVSLQVA
>AK075549|B7H3*02|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDMVTITCSSYQGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSILRVVL.GANGTYSCLVRNPVLQQDAHSSVTIT
>AK075549|B7H3*02|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSF
TEG........RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....
RDFGSAAVSLQVA
>AK075549|B7H3*02|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSVLRVVL.GANGTYSCLVRNPVLQQDAHGSVTIT
>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
>AK074849|B7H3*03|Homo sapiens|F|EX1|
MLRRRGSPGMGVHVGAALGALWFCLT
>AK074849|B7H3*03|Homo sapiens|F|EX2|[D1]|V-LIKE|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSFAEG...
.....QDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....RDFGSA
AVSLQVA
>AK074849|B7H3*03|Homo sapiens|F|EX3|[D2]|C-LIKE|
APYSKPSMTLEPNKDLRPGDMVTITCSSYQGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSILRVVL.GANGTYSCLVRNPVLQQDAHSSVTIT
>AK074849|B7H3*03|Homo sapiens|F|EX4|[D3]|V-LIKE
PQRSPTGAVEVQVPEDPVVALVGTDATLRCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSF
TEG........RDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....
RDFGSAAVSLQVA
>AK074849|B7H3*03|Homo sapiens|F|EX5|[D4]|C-LIKE|
APYSKPSMTLEPNKDLRPGDTVTITCSSYRGYP...EAEVFWQDGQGVPLTG.NVTTSQM
ANE...........QGLFDVHSVLRVVL.GANGTYSCLVRNPVLQQDAHGSVTIT
>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
>AY358343|B7H3*01|Homo sapiens|F|EX1|splicing C|
MLRRRGSPGMGVHVGAALGALWFCLT
>AY358343|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|splicing C|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSFAEG...
.....QDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....RDFGSA
AVSLQVA
>AY358343|B7H3*01|Homo sapiens|F|EX3|[D2]|C-LIKE|splicing C|
....APYSKPSMTLEPN.KDLRP...GDTVTITCSSYQGYP...EAEVFWQDGQGVPLT.
.GNVTTSQMAN..........EQGLFDVHSILRVVL.GANGTYSCLVRNPV..LQQDAHX
SVTIT
>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
>AF302102|B7H3*01|Homo sapiens|F|EX1|splicing D|
MLRRRGSPGMGVHVGAALGALWFCLT
>AF302102|B7H3*01|Homo sapiens|F|EX2|[D1]|V-LIKE|splicing D|
GALEVQVPEDPVVALVGTDATLCCSFSPEPGFS.LAQLNLIWQLTDTKQLVHSFAEG...
.....QDQGSAYANRTALFPDLLAQGNASLRLQRVRVADEGSFTCFVSI.....RDFGSA
AVSLQVA
>AF302102|B7H3*01|Homo sapiens|F|EX5|[D4]|C-LIKE|splicing D|
....APYSKPSMTLEPN.KDLRP...GDTVTITCSSYRGYP...EAEVFWQDGQGVPLT.
.GNVTTSQMAN..........EQGLFDVHSVLRVVL.GANGTYSCLVRNPV..LQQDAHG
SVTIT
>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