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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) 
>X03934|CD3D*01|Homo sapiens|F|EX1|
atggaacatagcacgtttctctctggcctggtactggctacccttctctcgcaag
>X03934|CD3D*01|Homo sapiens|F|EX2|[D]|C-LIKE|
tgagccccttcaagatacctatagaggaacttgaggacagagtgtttgtgaattgcaata
ccagcatcacatgggtagagggaacggtgggaacactgctctcagacattacaagactgg
acctgggaaaacgcatcctggacccacgaggaatatataggtgtaatgggacagatatat
acaaggacaaagaatctaccgtgcaagttcattatcgaa
>X03934|CD3D*01|Homo sapiens|F|EX3|
tgtgccagagctgtgtggagctggatccagccaccgtggctggcatcattgtcactgatg
tcattgccactctgctccttgctttgggagtcttctgctttgctggacatgagactggaa
ggctgtctgggg
>X03934|CD3D*01|Homo sapiens|F|EX4|
ctgccgacacacaagctctgttgaggaatgaccaggtctatcag
>X03934|CD3D*01|Homo sapiens|F|EX5|
cccctccgagatcgagatgatgctcagtacagccaccttggaggaaactgggctcggaac
aag
>CD3D*01|Homo sapiens|F|EX1-5|Splicing A|complete|
atggaacatagcacgtttctctctggcctggtactggctacccttctctcgcaagtgagc
cccttcaagatacctatagaggaacttgaggacagagtgtttgtgaattgcaataccagc
atcacatgggtagagggaacggtgggaacactgctctcagacattacaagactggacctg
ggaaaacgcatcctggacccacgaggaatatataggtgtaatgggacagatatatacaag
gacaaagaatctaccgtgcaagttcattatcgaatgtgccagagctgtgtggagctggat
ccagccaccgtggctggcatcattgtcactgatgtcattgccactctgctccttgctttg
ggagtcttctgctttgctggacatgagactggaaggctgtctggggctgccgacacacaa
gctctgttgaggaatgaccaggtctatcagcccctccgagatcgagatgatgctcagtac
agccaccttggaggaaactgggctcggaacaagtga