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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) 
>AL162253|B7DC*01|Homo sapiens|F|EX1|
MIFLLLMLSLELQLHQIA
>AL162253|B7DC*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
ALFTVTVPKELYIIEHGSNVTLECNFDTGSHVN.LGAITASLQ..........KVE....
......NDTSPHRERATLLEEQLPLGKASFHIPQVQVRDEGQYQCIIIYG....VAWDYK
YLTLKVK
>AL162253|B7DC*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
ASYRKINTHILKVPE...TDEVELTCQAT.GYP...LAEVSWPNVSVPAN...TSHSRTP
E..............GLYQVTSVLRLKP.PPGRNFSCVFW.......NTHVRELTLASID
LQ
>AL162253|B7DC*01|Homo sapiens|F|EX4|
SQMEPRTHPTWLLHIFIPFCIIAFIFIATVIALRKQLCQKLYSSK
>AL162253|B7DC*01|Homo sapiens|F|EX5|
DTTKRPVTTTKREVNSA
>AL162253|B7DC*01|Homo sapiens|F|EX6|
I
>AF329193|B7DC*02|Homo sapiens|F|EX1|
MIFLLLMLSLELQLHQIA
>AF329193|B7DC*02|Homo sapiens|F|EX2|[D1]|V-LIKE|
ALFTVTVPKELYIIEHGSNVTLECNFDTGSHVN.LGAITASLQ..........KVE....
......NDTSPHRERATLLEEQLPLGKASFHIPQVQVRDEGQYQCIIIYG....VAWDYK
YLTLKVK
>AF329193|B7DC*02|Homo sapiens|F|EX3|[D2]|C-LIKE|
ASYRKINTHILKVPE...TDEVELTCQAT.GYP...LAEVSWPNVSVPAN...TSHSRTP
E..............GLYQVTSVLRLKP.PPGRNFSCVFW.......NTHVRELTLASID
LQ
>AF329193|B7DC*02|Homo sapiens|F|EX4|
SQMEPRTHPTWLLHIFIPSCIIAFIFIATVIALRKQLCQKLYSSK
>AF329193|B7DC*02|Homo sapiens|F|EX5|
DTTKRPVTTTKREVNSA
>AF329193|B7DC*02|Homo sapiens|F|EX6|
I
>EF444806|B7DC*02|Homo sapiens|F|EX1|
MIFLLLMLSLELQLHQIA
>EF444806|B7DC*02|Homo sapiens|F|EX2|[D1]|V-LIKE|
ALFTVTVPKELYIIEHGSNVTLECNFDTGSHVN.LGAITASLQ..........KVE....
......NDTSPHRERATLLEEQLPLGKASFHIPQVQVRDEGQYQCIIIYG....VAWDYK
YLTLKVK
>EF444806|B7DC*02|Homo sapiens|F|EX3|[D2]|C-LIKE|
ASYRKINTHILKVPE...TDEVELTCQAT.GYP...LAEVSWPNVSVPAN...TSHSRTP
E..............GLYQVTSVLRLKP.PPGRNFSCVFW.......NTHVRELTLASID
LQ
>EF444806|B7DC*02|Homo sapiens|F|EX4|
SQMEPRTHPTWLLHIFIPSCIIAFIFIATVIALGKQLCQKLYSSK
>EF444806|B7DC*02|Homo sapiens|F|EX5|
DTTKRPVTTTKREVNSA
>EF444806|B7DC*02|Homo sapiens|F|EX6|
I
>AY271901|B7DC*02|Homo sapiens|F|EX1|Splicing B|
MIFLLLMLSLELQLHQIA
>AY271901|B7DC*02|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing B|
ALFTVTVPKELYIIEHGSNVTLECNFDTGSHVN.LGAITASLQ..........KVE....
......NDTSPHRERATLLEEQLPLGKASFHIPQVQVRDEGQYQCIIIYG....VAWDYK
YLTLKVK
>AY271901|B7DC*02|Homo sapiens|F|EX4|Splicing B|
SQMEPRTHPTWLLHIFIPSCIIAFIFIATVIALRKQLCQKLYSSK
>AY271901|B7DC*02|Homo sapiens|F|EX5|Splicing B|
DTTKRPVTTTKREVNSA
>AY271901|B7DC*02|Homo sapiens|F|EX6|Splicing B|
I
>AY271902|B7DC*02|Homo sapiens|F|EX1|Splicing C|
MIFLLLMLSLELQLHQIA
>AY271902|B7DC*02|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing C|
ALFTVTVPKELYIIEHGSNVTLECNFDTGSHVN.LGAITASLQ..........KVE....
......NDTSPHRERATLLEEQLPLGKASFHIPQVQVRDEGQYQCIIIYG....VAWDYK
YLTLKVK
>AY271902|B7DC*02|Homo sapiens|F|EX4|Splicing C|
DGTQDPSNLAASHFHPLLHHCFHFHSHSDSPKKTTLSKAVFFK
>AY271902|B7DC*02|Homo sapiens|F|EX5|Splicing C|
RHNKKTCHHNKEGSEQC
>AY271902|B7DC*02|Homo sapiens|F|EX6|Splicing C|
YL