Here you are: IMGT Web resources > IMGT Repertoire (RPI) > RPI entries from gene to protein

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