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) 
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX1|splicing a|complete|
MITTILISFMQFSIV
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX2|[D1]|G-ALPHA1-DOMAIN|splicing a|complete|
PHSLHRHCIATQGTLYPKNIQLVMIDDVIVYYYNSSAEQEAVVPEWLNHPEGIEFWQEVH
RNLKFNRYVMDTAVRVTSEHYNHSH
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX3|[D2]|G-ALPHA2-DOMAIN|splicing a|complete|
HFYQAHGRCGWKSDGTTEAFMSHAYDGKDFVSFDVSTRTWTAAVSHAVFYKRKRETDLED
LVRLVIHYESGCIRWLEKLLEFSVTVREPK
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX4|[D3]|C-LIKE-DOMAIN|splicing a|complete|
PAVSLFERPPHGNSEVEVTCHVTGFYPRAVQVEWLGAEGLPMVDGVNSGEVLPNGDGSYQ
LRKSLTVPQEAQDTQSYSCLVLHSSIAGNITVTW
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX5|splicing a|complete|
PKKNLANVLMAIVIIVSVVLILTVLFKYLVWRRAV
>AF091779|MH1-B*01|Oncorhynchus mykiss|EX6|splicing a|complete|
QNPRG*
>AF091779|MH1-B*01|Oncorhynchus mykiss|F|EX1-6|splicing A|complete|artificial splicing|
MITTILISFMQFSIVAPHSLHRHCIATQGTLYPKNIQLVMIDDVIVYYYNSSAEQEAVVP
EWLNHPEGIEFWQEVHRNLKFNRYVMDTAVRVTSEHYNHSHDHFYQAHGRCGWKSDGTTE
AFMSHAYDGKDFVSFDVSTRTWTAAVSHAVFYKRKRETDLEDLVRLVIHYESGCIRWLEK
LLEFSVTVREPKVPAVSLFERPPHGNSEVEVTCHVTGFYPRAVQVEWLGAEGLPMVDGVN
SGEVLPNGDGSYQLRKSLTVPQEAQDTQSYSCLVLHSSIAGNITVTWAPKKNLANVLMAI
VIIVSVVLILTVLFKYLVWRRAVAQNPRG