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

IMGT reference sequences in FASTA format:

Nucleotide 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) 
>S74019|VPREB1*01|Homo sapiens|F|EX1|
atgtcctgggctcctgtcctgctcatgctgtttgtctactgcacag
>S74019|VPREB1*01|Homo sapiens|F|EX2|
gttgtggtcctcagccggtgctgcatcagccgccggcc...atgtcctcggcccttggaa
ccacaatccgcctcacctgcaccctgaggaacgaccatgacatc.........ggtgtgt
acagcgtctactggtaccagcagaggccgggccaccctcccaggttcctgctgagatatt
tctcacaa.........tcagacaagagccagggcccccaggtcccc...cctcgcttct
ctggatccaaagatgtggccaggaacagggggtatttgagcatctctgagctgcagcctg
aggacgaggctatgtattactgtgctatgggggcccgcagctcggagaaggaggagaggg
agagggagtgggaggaagaaatggaacccactgcagccaggacacgtgtccct
>M34927|VPREB1*02|Homo sapiens|F|EX1|
atgtcctgggctcctgtcctgctcatgcactttgtctactgcacag
>M34927|VPREB1*02|Homo sapiens|F|EX2|
gttgtggtcctcagccggtgctacatcagccgccggcc...atgtcctcggcccttggaa
ccacaatccgcctcacctgcaccctgaggaacgaccatgacatc.........ggtgtgt
acagcgtctactggtaccagcagaggccgggccaccctcccaggttcctgctgagatatt
tctcacaa.........tcagacaagagccagggcccccaggtcccc...cctcgcttct
ctggatccaaagatgtggccaggaacagggggtatttgagcatctctgagctgcagcctg
aggacgaggctatgtattactgtgctatgggggcccgcagctcggagaaggaggagaggg
agagggagtgggaggaagaaatggaacccactgcagccaggacacgtgtccct