Here you are: IMGT Web resources > IMGT Repertoire (RPI) > 2. Proteins and alleles
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 Accession     Gene   Species
  number       name
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                                                          L-REGION                    A        AB     B           BC         C     CD      D          DE           E      EF   F                FG                 G             
                                                                                    (1-15)          (16-26)    (27-38)    (39-45)       (77-84)                 (85-96)     (97-104)         (105-117)         (118-128)               
                                                  —————————————————————————>    ——————————————>   ——————————>             ——————>       ———————>              ———————————>  ———————>                           ——————————>
                                                                                1        10  15   16  20 2326 27      38  3941 45       77 80 84              85  89    96  97   104 105 111          112  117 118     128
                                                                            321 |........|....|123|...|..|..| |........|  |.|...|1234567|..|...|12345677654321|...|......|12|......| |.....|123456654321|....| |.........|
AB021288	B2M   Homo sapiens  c		        MSRSVALAVLALLSLSGLEAIQR TPKIQVYSRHPAEN....GKSNFLNCYVS GFHP..SDIE  VDLLKNGERIE...KVEHSDLSFSKD......WSFYLLYYTEFTP.....TEKDEYAC RVNHVT..............LSQPK IVKWDRDM
AL845457	B2M   Mus musculus		        MARSVTLVFLVLVSLTGLYAIQK TPQIQVYSRHPPEN....GKPNILNCYVT QFHP..PHIE  IQMLKNGKKIP...KVEMSDMSFSKD......WSFYILAHTEFTP.....TETDTYAC RVKHAS..............MAEPK TVYWDRDM     
Y00441  	B2M   Rattus norvegicus  c              MARSVTVIFLVLVSLAVVLAIQK TPQIQVYSRHPPEN....GKPNFLNCYVS QFHP..PQIE  IELLKNGKKIP...NIEHSDMSFSKD......WSFYILAHTEFTP.....TETDVYAC RVKHVT..............LKEPK TVTWDRDM
X69084  	B2M   Bos taurus  c                     MARFVALVLLGLLSLSGLDAIQR PPKIQVYSRHPPED....GKPNYLNCYVY GFHP..PQIE  IDLLKNGEKI....KSEQSDLSFSKD......WSFYLLSHAEFTP.....NSKDQYSC RVKHVT..............LEQPR IVKWDRDL
DN889857  	B2M   Oryctolagus cuniculus  c	       MSRSVLGLALLALVLFPCLECVQR APNVQVYSRHPAEN....GKPNFLNCYVS GFHP..PQID  IELLKNGVKIE...NVEQSDLSFNKD......WSFYLLVHTEFTP.....NDKDEYSC RVKHVT..............LKEPM TVKWDRDY
AF148875  	B2M   Cavia porcellus  c	  MARSVALVSLALLAVLALLSLPAVDAVLH APRVQVYSRHPAEN....GKQNFINCYVS GFHP..PQIE  VELLKNGKKID...NVEMSDLSFSKD......WTFYLLVHAAFTP.....NDSDEYSC RVSHIT..............LSEPK IVKWDPNK
M84767  	B2M   Gallus gallus  c		        MGKAAAVVLVTLVALLGLAQADL TPKVQVYSRFPASA....GTKNVLNCFAA GFHP..PKIS  ITLMKDGVPME...GAQYSDMSFNDD......WTFQRLVHADFTP.....SSGSTYAC KVEHET..............LKEPQ VYKWDPEF
P21612  	B2M   Meleagris gallopavo	                             DL TPKVQVYSRFPASA....GTKNVLNCFAA GFHP..PKIS  ITLMKDGVPME...GAQYSDMSFNDD......WSFQRLVYADFTP.....SSDAVYTC KVDHET..............LKEPQ VYKWDPEF
BQ389924  	B2M   Xenopus tropicalis  c	       MKIALSLLSLGLVLALTLAESNIS PPVVKVYTAEPVEF....GKKNELICYAY DYHP..PRME  ISLLKNGVEIP...DTKQKDPSFHHN......WKYYTMMSAHVHI.....DSDDKVEC LVAHN...............GSPPK RHKLDMFA
AF217962  	B2M   Xenopus laevis  c		       MKIALVLLSL...LALTLAESNIS PPVVKVYTAEPVDF....GKTNEVICYVY NYHP..PRLE  MRLEKNGVEIP...DCKQTDPSFQHN......WKYYTTKSTHVHI.....DKGDKVEC VVSHN...............GNPSK KYRLDIFA
BG407436  	B2M   Xenopus laevis EST1  c	       MKIVLVLLSLGLSLALTWAESNIS PPVVKVYTAEPVDF....GKTNEVICYVY NYHP..PRLE  MRLEKNGVEIP...DCKQTDPSFQHN......WKYYTMKSTHVHI.....DKGDKVEC VVSHN...............GNPSK KYRLDIFA
BG814676  	B2M   Xenopus laevis EST2  c	       MKIVLVLLSLGLSLALTWAESNIS PPVVKVYTAEPVDF....GKTNEVICFLY NYHP..PLLE  MRLENNGLETP...VCKQTDPSFQHN......WKYHTM
AF433657  	B2M   Paralichthys olivaceus  c          MGLLICSLLLGLLCCSM.AKDT PPKVEVYTREPEEF....GKPNSFICHVS GFYP..PQIN  ITLLKDGKEIP...NTQQTDLAFEAN......WYYYLTKHVSFTP.....KEDDEFIC RVTHM................GKSK DHFLMIGL
AJ507010  	B2M   Barbus intermedius  c              MRAIITFALFCVLYITVQAKTS SPKVQVYSHFPGEY....GKENTLICHVS GFHP..PDIT  IELLRNGEILP...NTQQTDLAFEKG......WQFHLTKSVSFTP.....ERGQDYAC KVRHM................SNTN AYSWEPNM
AB190815  	B2M   Ctenopharyngodon idella  c         MRALVSFALFCVLYISVQGKVS SPKIQVYSHYPGEY....GKENTLICYVS GFHP..PDIS  IELLKNGEVIA...DAQQTDLAFEKG......WQFHLTKSVSFKP.....EKSDEYSC SVRHM................SKTK KIVWESNM
L05536  	B2M   Cyprinius carpio  c                MRAIITFALFCVLYVTVQGKTS SPKVQVYSHFPGEY....GKENTLICHVS GFHP..PDIT  IELLKDGEILP...NTQQTDLAFEKG......WQFHLTKSVTFKP.....ERGQNYAC SVRHM................NNKN IYSWEPNM
L05383  	B2M   Danio rerio  c                     MRALITFALLCLLYITVQGKVS TPKVHVYSHFPGEY....GKPNTLICYVS SFHP..PDIS  IELLKNGQVMS...DTKQTDLAFEKG......WQFHLTKSVAFTP.....EKGDEYTC SVRHM................KETK KFSWEPNM
AF016042  	B2M   Ictalurus punctatus                MKFLLSFVVLAVFSASAFAKES PPKIQVYSRNPGEF....GKENTLICHVS DFHP..PDIT  IDLLKNGEVIP...NAEQTDLAFEKG......WKFHLTKSVSFTP.....TSNDKFTC RVRHL................KETK NISWEPDM
L63534  	B2M   Oncorhynchus mykiss  c             MKYILSIVVLGLIYSVVEAKES PPKVQVYSRNPGNF....GDKNTLICHVS GFHP..PDIS  IQLLKNGVEIP...DAKQTDLAFEQG......WQFHLTKSVGFTP.....ASGEEYTC RVRHL................KNLK TYTWEADM
L49056  	B2M   Oncorhynchus mykiss  c             MKYILSIVVLGLIYSAVEAKES PPKVQVYSRNPGNF....GDKNTLICHVS GFHP..PDIS  IQLLKNGVEIP...DAKQTDLAFEQG......WQFHLTKSVGFTP.....ASGEEYTC RVRHL................KNLK TYTWEADM
AF180488  	B2M   Salmo salar  c                     MKTVLSVIAFCVFLGFINAKES PPKVQVYSRNPGEH....GKDNTLICHVS GFHP..PDIS  IQLLKNGVEIP...DAKQTDLAFEQG......WQFHLTKSVGFTP.....DSGEEYTC RVRHL................KNLK TYTWESNM
AJ133653  	B2M   Acipenser baeri                MFLRSTFVAALVACLAYIHLGDATEA MPKVQIYSRNVGEL....GKPNTLICHVS GFHP..PNIK  LQLLKNDVEIE...GAQQSDLAFHQG......WHFHLTKSVAFTP.....KEGEHYSC KVEHST..............LREAT RFTWTPDM
AJ132752  	B2M   Gadus morhua  c                    MKITFCTVAVALLLCTVESKES VPKVQVYSSKPAEL....GEANTLICLVQ AFHP..PEIT  IELLKDGAVLP...NANQTDLSFDKT......WHFHLSKFADITP.....SKEESYAC QVTHI................GKRT VHAWEPNM
AF520476  	B2M   Raja eglanteria  c                     MRALILLSLGLLRVAVPS PPQVVVYTYKPVVH....GEKNTLLCHAK EFNP..PNVE  LQLFEDGNVFS...QANQTDLSFESN......WKFKLTKFIELIP.....REDVEYSC HVMYM................GKTS IYKLESF

c : cDNA sequence
Legend:
IMGT notes:
(1) Positions 1.3 and 1.2 are encoded by the 3' end of EX1. Position 1.1 results from the splicing between EX1 and EX2 (codon_start3).
(2) Sequences of the C-LIKE-DOMAIN (positions 1.3 to 125) are in IMGT/DomainDisplay.
See also: