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Correspondence between IMGT gene names and clone names is available in IMGT MH entries from gene to protein.
Correspondence between the different gene nomenclatures.

The major histocompatibility (MH) genes belong to two groups MH1 and MH2, that also define the two classes MH1 and MH2.

Major histocompatibility (MH) group IMGT chain type IMGT MH gene names (1) Other designations from the literature
MH1 MH1-Alpha MH1-A UBA (2)(3)
MH1-B UAA
MH1-C UCA, U71 (4)
MH1-D UDA (4)
MH1-E UEA (4)
MH1-F UFA (4)
MH1-G UGA
MH1-H UHA
MH1-L1 LAA (5)
MH1-L2 LBA (5)
MH1-L3 LCA (5)
MH1-L4 LDA (5)
MH1-L5 LEA (5)
MH1-Z1 ZE
MH2 MH2-Alpha MH2-DA DAA (6)
MH2-Beta MH2-DB1 DAB (6)
MH2-DB2 DBB
IMGT notes:
(1) Letters and numbers are added chronologically and independently of the species.
(2) Localized at 18q12 [2,3]. The localization, first described at 18q21 [2], has been corrected to 18q12 (AB162342) by the same group in [3].
(3) Designated in the litterature as USA and UB or UBA in Salmo trutta.
(4) Localized at 14p12 (AB162343) [3].
(5) Described in [4].
(6) Localized at 17p.
Reference:
[1] Lefranc, M.-P. et al., Dev. Comp. Immunol., 29, 917-938 (2005). PMID: 15936075 with permission from Elsevier
[2] Fujiwara, A. et al., Fish ShellFish Immunol. 14, 171-175 (2003) PMID: 12526880
[3] Shiina, T. et al., Immunogenetics, 56(12), 878-93 (2005) PMID: 15696305
[4] Dijkstra, J.M. et al., Immunogenetics, 59, 305-321 (2007) PMID: 17318646