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) 
>AL121986|CD1A*01|Homo sapiens|F|EX1||
atgctgtttttgctacttccattgttagctgttctcccaggtgatggcaatgcagacgg
>AL121986|CD1A*01|Homo sapiens|F|EX2|[D1]|G-LIKE-ALPHA1||
ggctcaaggagcctctctccttccatgtcacctggatcgcatccttttacaaccattcct
ggaaacaaaatctggtctcaggttggctgagtgatttgcagactcatacctgggacagca
attccagcaccatcgttttcctgtgcccctggtccaggggaaacttcagcaatgaggagt
ggaaggaactggaaacattattccgtatacgcaccattcggtcatttgagggaattcgta
gatacgcccatgaattgcagtttgaat
>AL121986|CD1A*01|Homo sapiens|F|EX3|[D2]|G-LIKE-ALPHA2||
atccttttgagatacaggtgacaggaggctgtgagctgcactctggaaaggtctcaggaa
gcttcttgcagttagcttatcaaggatcagactttgtgagcttccagaacaattcatggt
tgccatatccagtggctgggaatatggccaagcatttctgcaaagtgctcaatcagaatc
agcatgaaaatgacataacacacaatcttctcagtgacacctgcccacgtttcatcttgg
gtcttcttgatgcaggaaaggcacatctccagcggcaag
>AL121986|CD1A*01|Homo sapiens|F|EX4|C-LIKE||
tgaagcccgaggcctggctgtcccatggccccagtcctggccctggccatctgcagcttg
tgtgccatgtctcaggattctacccaaagcccgtgtgggtgatgtggatgcggggtgagc
aggagcagcagggcactcagcgaggggacatcttgcccagtgctgatgggacatggtatc
tccgcgcaaccctggaggtggccgctggggaggcagctgacctgtcctgtcgggtgaagc
acagcagtctagagggccaggacatcgtcctctactggg
>AL121986|CD1A*01|Homo sapiens|F|EX5||
agcatcacagttccgtgggcttcatcatcttggcggtgatagtgcctttacttcttctga
taggtcttgcgctttggttcaggaaacgctg
>AL121986|CD1A*01|Homo sapiens|F|EX6||
tttctgttaa
>AL121986|CD1A*01|Homo sapiens|F||
atgctgtttttgctacttccattgttagctgttctcccaggtgatggcaatgcagacggg
gctcaaggagcctctctccttccatgtcacctggatcgcatccttttacaaccattcctg
gaaacaaaatctggtctcaggttggctgagtgatttgcagactcatacctgggacagcaa
ttccagcaccatcgttttcctgtgcccctggtccaggggaaacttcagcaatgaggagtg
gaaggaactggaaacattattccgtatacgcaccattcggtcatttgagggaattcgtag
atacgcccatgaattgcagtttgaatatccttttgagatacaggtgacaggaggctgtga
gctgcactctggaaaggtctcaggaagcttcttgcagttagcttatcaaggatcagactt
tgtgagcttccagaacaattcatggttgccatatccagtggctgggaatatggccaagca
tttctgcaaagtgctcaatcagaatcagcatgaaaatgacataacacacaatcttctcag
tgacacctgcccacgtttcatcttgggtcttcttgatgcaggaaaggcacatctccagcg
gcaagtgaagcccgaggcctggctgtcccatggccccagtcctggccctggccatctgca
gcttgtgtgccatgtctcaggattctacccaaagcccgtgtgggtgatgtggatgcgggg
tgagcaggagcagcagggcactcagcgaggggacatcttgcccagtgctgatgggacatg
gtatctccgcgcaaccctggaggtggccgctggggaggcagctgacctgtcctgtcgggt
gaagcacagcagtctagagggccaggacatcgtcctctactgggagcatcacagttccgt
gggcttcatcatcttggcggtgatagtgcctttacttcttctgataggtcttgcgctttg
gttcaggaaacgctgtttctgttaa