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IMGT reference sequences in FASTA format:

Amino acid 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)
>M31314|FCGR1*01|Mus musculus|F|EX1|
MILTSFGDDMWLLTTLLLW
>M31314|FCGR1*01|Mus musculus|F|EX2|
VPVGGEV
>M31314|FCGR1*01|Mus musculus|F|EX3|[D1]|C-LIKE|
VNATKAVITLQPPWVSIFQKENVTLWCEGPHLPGDSSTQWFINGTAVQISTPSYSIPEAS
FQDSGEYRCQIGSSMPSDPVQLQIHN
>M31314|FCGR1*01|Mus musculus|F|EX4|[D2]|C-LIKE|
DWLLLQASRRVLTEGEPLALRCHGWKNKLVYNVVFYRNGKSFQFSSDSEVAILKTNLSHS
GIYHCSGTGRHRYTSAGVSITVK
>M31314|FCGR1*01|Mus musculus|F|EX5|[D3]|C-LIKE|
ELFTTPVLRASVSSPFPEGSLVTLNCETNLLLQRPGLQLHFSFYVGSKILEYRNTSSEYH
IARAEREDAGFYWCEVATEDSSVLKRSPELELQV
>M31314|FCGR1*01|Mus musculus|F|EX6|[D4]|
GPQSSAPVWFHILFYLSVGIMFSLNTVLYVKIHRLQREKKYNLEVPLVSEQGKKANSFQQ
VRSDGVYEEVTATASQTTPKEAPDGPRSSVGDCGPEQPEPLPPSDSTGAQTSQS*
>M31314|FCGR1*01|Mus musculus|F|
MILTSFGDDMWLLTTLLLWVPVGGEVVNATKAVITLQPPWVSIFQKENVTLWCEGPHLPG
DSSTQWFINGTAVQISTPSYSIPEASFQDSGEYRCQIGSSMPSDPVQLQIHNDWLLLQAS
RRVLTEGEPLALRCHGWKNKLVYNVVFYRNGKSFQFSSDSEVAILKTNLSHSGIYHCSGT
GRHRYTSAGVSITVKELFTTPVLRASVSSPFPEGSLVTLNCETNLLLQRPGLQLHFSFYV
GSKILEYRNTSSEYHIARAEREDAGFYWCEVATEDSSVLKRSPELELQVLGPQSSAPVWF
HILFYLSVGIMFSLNTVLYVKIHRLQREKKYNLEVPLVSEQGKKANSFQQVRSDGVYEEV
TATASQTTPKEAPDGPRSSVGDCGPEQPEPLPPSDSTGAQTSQS*