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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) 
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX1|Splicing 12|
MNMPNERLKWLMLFAAVALI
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX2|[D1]|C-LIKE|Splicing 12|
ACGSQTLAANPPDADQKGPVFLKEPTNRIDFSNSTGAEIECKASGNP....MPEIIWIRS
DG......TAVGDVPGLRQIS....SDGKLVFPPFRAEDYRQE.VHAQVYACLARNQ...
FGSIISRDVHVRA
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX3|[D2]|C-LIKE|Splicing 12|
.....VVSQFYITEAEN.EYVIK...GNAAVVKCKIPSFVAD.FVQVEAWVDEEGM....
.ELWRNNATDAY
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX4|[D2]|C-LIKE|Splicing 12|
DG....KYLVLPSGELHIREVGPE.DGYKSYQCRTKHRLTGETRLSATKGRLVIT
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX5|[D3]|C-LIKE|Splicing 12|
..EPVSSSPPKINALTYKPNIVES..MASTAILCPAQGYP....APSFR
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX6|[D3,D4,D5,D6]|C-LIKE|Splicing 12|
WYKFIEGT....TRKQAVVLNDR........VKQVSGTLIIKDAVV..EDSGKYLCVVNN
......SVGGESVETVLTV......TAPLSAKIDPPTQTVDF...GRPAVFTCQYTGNP.
...IKTVSWMKDG.......KAIGHSE.................PVLRIESVKK..EDKG
MYQCFVRND....QESAEASAELKL...GGRFDPPVIRQAFQEETMEP...GPSVFLKCV
AGGNP....TPEISWELDGK......KIANNDRYQVGQYV...TVNGDVVSYLNITSVHA
..NDGGLYKCIAK........SKVGVAEHSA..KLNVYGLPYIRQMEK.KAIVA...GET
LIVTCPVAGYP....IDSIVWER
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX7|[D6]|C-LIKE|Splicing 12|
DNR......ALPINRKQKV...........FPNGTLIIENVERN.SDQATYTCVAKNQ..
.EGYSARGSLEVQVM
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX8|[D7]|C-LIKE|Splicing 12|
.......VPPQVLPFSFGESAADV..GDIASANCVVPKGDL...PLEIRWSLNSA.....
.PIVNGENGFTLV......RLNKRTSLLNIDSLNA..FHRGVYKCIATNP....AGTSEY
VAELQVN
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX9|[D8]|C-LIKE|Splicing 12|
.......VPPRWILEPTDKAFAQ...GSDAKVECKADGFP....KPQVTWKKAV
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX10|[D8,D9]|C-LIKE|[D10,D11,D12]|F-LIKE|Splicing 12|
GD.....TPGEYKDLKKSD......NIRVEEGTLHVDNIQK..TNEGYYLCEAING....
IGSGLSAVIMIS.....VQAPPEFTEKLRNQTARR...GEPAVLQCEAKGEK....PIGI
LWNMNNMRLD...PKNDNRYTIREEI.....LSTGVMSSLSIKRTER..SDSALFTCVAT
NA....FGSDDASINMIVQEVPEMPYALKVLDKSGRSVQLSWAQPYDGNSPLDRYIIEFK
RSRASWSEIDRVIVPGHTTEAQVQKLSPATTYNIRIVAENAIGTSQSSEAVTIITAEEAP
SGKPQNIKVEPVNQTTMRVTWKPPPRTEWNGEILGYYVGYKLSNTNSSYVFETINFITEE
GKEHNLELQNLRVYTQYSVVIQAFNKIGAGPLSEEEKQFTAEGTPSQPPSDTACTTLTSQ
TIRVGWVSPPLESANGVIKTYKVVYAPSDEWY
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX11|[D12]|F-LIKE|Splicing 12|
DETKRHYKKTASSDTVLHGLKKYTNYTMQVLATTAGGDGVRSVPIHCQTEPD
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX12|[D13],[D15]|F-LIKE|[D14]|C-LIKE|Splicing 12|
VPEAPTDVKALVMGNAAILVSWRPPAQPNGIITQYTVYSKAEGAETETKTQKVPHYQMSF
EATELEKNKPYEFWVTASTTIGEGQQSKSIVAMPSDQVPAKIASFDDTFTATF...KEDA
KMPCLAVGAP....QPEITWKIKG.......VEFSANDRMR..........VLPDGSLLI
KSVNR..QDAGDYSCHAENSIAKDSITHKLIVLAPPQSPHVTLSATTTDALTVKLKPHEG
DTAPLHGYTLHYKP
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX13|[D15]|F-LIKE|Splicing 12|
EFGEWETSEVSVDSQKHNIEGLLCGSRYQVYATGFNN
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX14|[D16]|F-LIKE|Splicing 12|
IGAGEASDILNTRTKGQKPKLPEKPRFIEVSSNSVSLHFKAWKDGGCPMSHFVVESKKR
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX15|[D16]|F-LIKE|Splicing 12|
DQIEWNQISNNVKPDNNYVVLDLEPATWYNLRITAHNSAGFTVAEYDFATLTVTG
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX16|[CO+TM+CY]|Splicing 12|
GTIAPSRDLPELSAEDTIRIILSNLNLVVPVVAALLVIIIAIIVICILRSKGNHHK
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX17|[CY]|Splicing 12|
DDVVYNQTMGPGATLDKRRPDLRDELGYIAPPNRKLPPVPGSNYNTCDRIKR
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX18|[CY]|Splicing 12|
GRGGLRSNHSTWDPRRNPNLYEELKAPPVPMHGNHYGHAHGNAECHYRHP
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX19|[CY]|Splicing 12|
GMEDEICPYATFHLLGFREEMDPTKAMNFQTFPHQNGHAGPVPGHAGTMLPPGHPGHVHS
RSGSQSMPRANRYQRKNSQGGQSSIYTPAPEYDDPANCAEEDQY
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX20|[CY]|Splicing 12|
RRYTRVNSQGGSLYSGPGPEYDDPANCAPEEDQYGSQYGGPYGQPYDHYGSRGSMGRRSI
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX21|[CY]|Splicing 12|
GSARNPGNGSPEPPPPPPRNHDMSNSSFNDSKESNEISEAECDRDHGPRGNYG
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX22|[CY]|Splicing 12|
AVKRSPQPKDQRTTEEMRKLIER
>AE003841|DSCAM*01|Drosophila melanogaster|F|EX23|[CY]|Splicing 12|
NETGPKQLQLQQANGAGFTAYDTMAV