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) 
>Y14780|CD58*01|Homo sapiens|F|EX1|
atggttgctgggagcgacgcggggcgggccctgggggtcctcagcgtggtctgcctgctg
cactgctttg
>Y14781|CD58*01|Homo sapiens|F|EX2|[D1]|V-LIKE|
gtttcatcagctgtttttcccaacaaatatatggtgttgtgtatgggaatgtaactttcc
atgtaccaagcaatgtgcctttaaaagaggtcctatggaaaaaacaaaaggataaagttg
cagaactggaaaattctgaattcagagctttctcatcttttaaaaatagggtttatttag
acactgtgtcaggtagcctcactatctacaacttaacatcatcagatgaagatgagtatg
aaatggaatcgccaaatattactgataccatgaagttctttctttatgtgcttg
>Y14782|CD58*01|Homo sapiens|F|EX3|[D2]|C-LIKE|
agtctcttccatctcccacactaacttgtgcattgactaatggaagcattgaagtccaat
gcatgataccagagcattacaacagccatcgaggacttataatgtactcatgggattgtc
ctatggagcaatgtaaacgtaactcaaccagtatatattttaagatggaaaatgatcttc
cacaaaaaatacagtgtactcttagcaatccattatttaatacaacatcatcaatcattt
tgacaacctgtatcccaagcagcg
>Y14783|CD58*01|Homo sapiens|F|EX4|
gtcattcaagacacagatatgcacttatacccataccattagcagtaattacaacatgta
ttgtgctgtatatgaatg
>Y14784|CD58*01|Homo sapiens|F|EX5|
gtattctgaaatgtgacagaaaaccagacagaaccaa
>Y14785|CD58*01|Homo sapiens|F|EX6|
ctccaat
>CD58*01|Homo sapiens|F|EX1-6|
atggttgctgggagcgacgcggggcgggccctgggggtcctcagcgtggtctgcctgctg
cactgctttggtttcatcagctgtttttcccaacaaatatatggtgttgtgtatgggaat
gtaactttccatgtaccaagcaatgtgcctttaaaagaggtcctatggaaaaaacaaaag
gataaagttgcagaactggaaaattctgaattcagagctttctcatcttttaaaaatagg
gtttatttagacactgtgtcaggtagcctcactatctacaacttaacatcatcagatgaa
gatgagtatgaaatggaatcgccaaatattactgataccatgaagttctttctttatgtg
cttg agtctcttccatctcccacactaacttgtgcattgactaatggaagcattgaagt
ccaatgcatgataccagag cattacaacagccatcgaggacttataatgtactcatggg
attgtcctatggagcaatgtaaacgtaactcaaccagtatatattttaagatggaaaatg
atcttccacaaaaaatacagtgtactcttagcaatccattatttaatacaacatcatcaa
tcattttgacaacctgtatcccaagcagcggtcattcaagacacagatatgcacttatac
ccataccattagcagtaattacaacatgtattgtgctgtatatgaatggtattctgaaat
gtgacagaaaaccagacagaaccaactccaattga