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IMGT reference sequences in FASTA format:

Amino acid 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) 
>AL133404|TREML1*01|Homo sapiens|F|EX1
MGLTLLLLLLLGLE
>AL133404|TREML1*01|Homo sapiens|F|EX2|[D]|V-LIKE
GQGIVGSLPEVLQAPVGSSILVQCHYRLQDVKAQ.....KVWCRFLPEGCQPLVSS....
......AVDRRAPAGRRTFLTDLGGGLLQVEMVTLQEEDAGEYGCMVDGARGPQILHRVS
LNILPP
>AL133404|TREML1*01|Homo sapiens|F|EX3
EEEEETHKIGSLAENAFSDPAGSANPLEPSQDEK
>AL133404|TREML1*01|Homo sapiens|F|EX4
SIPLIWGAVLLVGLLVAAVVLFAVMAKRKQ
>AL133404|TREML1*01|Homo sapiens|F|EX5
GNRLGVCGRFLSSRVSGM
>AL133404|TREML1*01|Homo sapiens|F|EX6
NPSSVVHHVSDSGPAAELPLDVPHIRLDSPPSFDNTTYTSLPLDSPSGKPSLPAPSSLPP
LPPKVLVCSKPVTYATVIFPGGNKGGGTSCGPAQNPPNNQTPSS*