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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) 
>AF242540|CD244*02|Homo sapiens|F|EX1|Splicing A|
MLGQVVTLILLLLLKVYQGK
>AF242540|CD244*02|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing A|
....GCQGSADHVVSISGVPLQLQPNSIQT....KVDSIAWKKLL..PSQNGFHHILK..
..WENGSLPSNTS...NDRFSFIVKNLSLLIKAAQQQDSGLYCLEVTSI...SGKVQTAT
FQVFVF
>AF242540|CD244*02|Homo sapiens|F|EX3|[D2]|C-LIKE|Splicing A|
...ESLLPDKVEKPRLQGQGKILDRGRCQVALSCLVSRDG....NVSYAWYRGSKLI...
.QTAGNL..................TYLDEEVDIN...GTHTYTCNVSNP....VSWESH
TLNLTQDCQNAHQ
>AF242540|CD244*02|Homo sapiens|F|EX4|Splicing A|
EFRFWPFLVIIVILSALFLGTLACFCVWRRKRKEKQS
>AF242540|CD244*02|Homo sapiens|F|EX5|Splicing A|
ETSPKEFLTIYEDVKDLKTRRNH
>AF242540|CD244*02|Homo sapiens|F|EX6|Splicing A|
EQEQTFPGGGSTIYSMIQSQ
>AF242540|CD244*02|Homo sapiens|F|EX7|Splicing A|
SSAPTSQEPAYTLYSLIQPSRK
>AF242540|CD244*02|Homo sapiens|F|EX8|Splicing A|
SGSRKRNHSPSFNSTIYEV
>AF242540|CD244*02|Homo sapiens|F|EX9|Splicing A|
IGKSQPKAQNPARLSRKELENFDVYS
>AF105261|CD244*01|Homo sapiens|F|EX1|Splicing B|
MLGQVVTLILLLLLKVYQGK
>AF105261|CD244*01|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing B|
....GCQGSADHVVSISGVPLQLQPNSIQT....KVDSIAWKKLL..PSQNGFHHILK..
..WENGSLPSNTS...NDRFSFIVKNLSLLIKAAQQQDSGLYCLEVTSI...SGKVQTAT
FQVFVF
>AF105261|CD244*01|Homo sapiens|F|EX3|[D2]|C-LIKE|Splicing B|
........DKVEKPRLQGQGKILDRGRCQVALSCLVSRDG....NVSYAWYRGSKLI...
.QTAGNL..................TYLDEEVDIN...GTHTYTCNVSNP....VSWESH
TLNLTQDCQNAHQ
>AF105261|CD244*01|Homo sapiens|F|EX4|Splicing B|
EFRFWPFLVIIVILSALFLGTLACFCVWRRKRKEKQS
>AF105261|CD244*01|Homo sapiens|F|EX5|Splicing B|
ETSPKEFLTIYEDVKDLKTRRNH
>AF105261|CD244*01|Homo sapiens|F|EX6|Splicing B|
EQEQTFPGGGSTIYSMIQSQ
>AF105261|CD244*01|Homo sapiens|F|EX7|Splicing B|
SSAPTSQEPAYTLYSLIQPSRK
>AF105261|CD244*01|Homo sapiens|F|EX8|Splicing B|
SGSRKRNHSPSFNSTIYEV
>AF105261|CD244*01|Homo sapiens|F|EX9|Splicing B|
IGKSQPKAQNPARLSRKELENFDVYS
>AJ245377|CD244*01|Homo sapiens|F|EX1|Splicing C|
MLGQVVTLILLLLLKVYQGK
>AJ245377|CD244*01|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing C|
....GCQGSADHVVSISGVPLQLQPNSIQT....KVDSIAWKKLL..PSQNGFHHILK..
..WENGSLPSNTS...NDRFSFIVKNLSLLIKAAQQQDSGLYCLEVTSI...SGKVQTAT
FQVFVF
>AJ245377|CD244*01|Homo sapiens|F|EX3|[D2]|C-LIKE|Splicing C|
........DKVEKPRLQGQGKILDRGRCQVALSCLVSRDG....NVSYAWYRGSKLI...
.QTAGNL..................TYLDEEVDIN...GTHTYTCNVSNP....VSWESH
TLNLTQDCQNAHQ
>AJ245377|CD244*01|Homo sapiens|F|EX4|Splicing C|
EFRFWPFLVIIVILSALFLGTLACFCVWRRKRKEKQS
>AJ245377|CD244*01|Homo sapiens|F|EX5|Splicing C|
ETSPKEFLTIYEDVKDLKTRRNH
>AJ245377|CD244*01|Homo sapiens|F|EX6|Splicing C|
EQEQTFPGGGSTIYSMIQSQ
>AJ245377|CD244*01|Homo sapiens|F|EX7|Splicing C|
SSAPTSQEPAYTLYSLIQPSRK
>AJ245377|CD244*01|Homo sapiens|F|EX10|Splicing C|
GDRFYSFSG
>AJ245376|CD244*01|Homo sapiens|F|EX1|Splicing D
MLGQVVTLILLLLLKVYQGK
>AJ245376|CD244*01|Homo sapiens|F|EX2|[D1]|V-LIKE|Splicing D|
........DKVEKPRLQGQGKILDRGRCQVALSCLVSRDG....NVSYAWYRGSKLI...
.QTAGNL..................TYLDEEVDIN...GTHTYTCNVSNP....VSWESH
TLNLTQDCQNAHQ
>AJ245376|CD244*01|Homo sapiens|F|EX4|Splicing D|
EFRFWPFLVIIVILSALFLGTLACFCVWRRKRKEKQS
>AJ245376|CD244*01|Homo sapiens|F|EX5|Splicing D|
ETSPKEFLTIYEDVKDLKTRRNH
>AJ245376|CD244*01|Homo sapiens|F|EX6|Splicing D|
EQEQTFPGGGSTIYSMIQSQ
>AJ245376|CD244*01|Homo sapiens|F|EX7|Splicing D|
SSAPTSQEPAYTLYSLIQPSRK
>AJ245376|CD244*01|Homo sapiens|F|EX8|Splicing D|
SGSRKRNHSPSFNSTIYEV
>AJ245376|CD244*01|Homo sapiens|F|EX9|Splicing D|
IGKSQPKAQNPARLSRKELENFDVYS