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

IMGT reference sequences in FASTA format:

Nucleotide 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) 
>M19799|CD2*01|Mus musculus|F|EX1|
atgaaatgtaaattcctgggtagcttctttctgctcttcagcctttccggcaaag
>M19801|CD2*01|Mus musculus|F|EX2|[D1]|V-LIKE|
gggcggactgcagagacaatgagaccatctggggtgtcttgggtcatggcatcaccctga
acatccccaactttcaaatgactgatgatattgatgaggtgcgatgggtaaggaggggca
ccctggtcgcagagtttaaaaggaagaagccaccttttttgatatcagaaacgtatgagg
tcttagcaaacggatccctgaagataaagaagccgatgatgagaaacgacagtggcacct
ataatgtaatggtgtatggcacaaatgggatgactaggctggagaaggacctggacgtga
ggattctgg
>M19803|CD2*01|Mus musculus|F|EX3|[D2]|C-LIKE|
agagggtctcaaagcccgtgatccactgggaatgccccaacacaaccctgacctgtgcgg
tcttgcaaggaacagattttgaactgaagctgtatcaaggggaaacactactcaatagtc
tcccccagaagaacatgagttaccagtggaccaacctgagcgcaccattcaagtgtgagg
cgataaacccggtcagcaaggagtctaagacggaagttgttaactgtccag
>M19805|CD2*01|Mus musculus|F|EX4|
agaaaggtctgtccttctatgtcacagtgggggtcggtgcaggaggactcctcttggtgc
tcttggtggcgctttttattttctgtatctgcaagaggagaaaacggaacaggaggagaa
aag
>M19807|CD2*01|Mus musculus|F|EX5|
atgaagagctggaaataaaagcttccagaacaagcactgtggaaaggggccccaagccgc
actcaaccccagccgcagcagcgcagaattcagtggcgctccaagctcctcctccacctg
gccatcacctccagacacctggccatcgtcccttgcctccaggccaccgtacccgtgagc
accagcagaagaagagacctcctccatcaggcacacagattcaccagcagaaaggccctc
ctttacccagaccccgagttcagccaaaacctccctgtgggagtggagatggtgtttcac
tgccgccccctaat
>M19807|CD2*01|Mus musculus|F|EX1-5|
atgaaatgtaaattcctgggtagcttctttctgctcttcagcctttccggcaaaggggcg
gactgcagagacaatgagaccatctggggtgtcttgggtcatggcatcaccctgaacatc
cccaactttcaaatgactgatgatattgatgaggtgcgatgggtaaggaggggcaccctg
gtcgcagagtttaaaaggaagaagccaccttttttgatatcagaaacgtatgaggtctta
gcaaacggatccctgaagataaagaagccgatgatgagaaacgacagtggcacctataat
gtaatggtgtatggcacaaatgggatgactaggctggagaaggacctggacgtgaggatt
ctggagagggtctcaaagcccgtgatccactgggaatgccccaacacaaccctgacctgt
gcggtcttgcaaggaacagattttgaactgaagctgtatcaaggggaaacactactcaat
agtctcccccagaagaacatgagttaccagtggaccaacctgagcgcaccattcaagtgt
gaggcgataaacccggtcagcaaggagtctaagacggaagttgttaactgtccagagaaa
ggtctgtccttctatgtcacagtgggggtcggtgcaggaggactcctcttggtgctcttg
gtggcgctttttattttctgtatctgcaagaggagaaaacggaacaggaggagaaaagat
gaagagctggaaataaaagcttccagaacaagcactgtggaaaggggccccaagccgcac
tcaaccccagccgcagcagcgcagaattcagtggcgctccaagctcctcctccacctggc
catcacctccagacacctggccatcgtcccttgcctccaggccaccgtacccgtgagcac
cagcagaagaagagacctcctccatcaggcacacagattcaccagcagaaaggccctcct
ttacccagaccccgagttcagccaaaacctccctgtgggagtggagatggtgtttcactg
ccgccccctaattaa