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"+" or "-" indicates if the gene sequences have been found (+) or not been found (-) transcribed (T) and/or translated into protein (Pr). Arbitrarily that information is shown on the first line of each gene when the data have been confirmed by several studies.

Functionality is shown between parentheses, (F) and (P), when the accession number refers to rearranged genomic DNA or cDNA and the corresponding germline gene has not yet been isolated.
Functionality is shown between brackets, [F] and [P], when the accession number refers to genomic DNA, but not known as being germline or rearranged.

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IMGT gene name IMGT allele name Fct Serological
markers
or Allotype		 Chromosomal
localization		 T Pr IMGT/LIGM-DB locus reference sequences IMGT/LIGM-DB sequences from the literature
Breed Clone names Exons Accession numbers Positions in the sequence Secondary accession numbers Breed Clone names Accession numbers Positions in the sequence
IGHA IGHA*01 F 24 Thoroughbred CM009171.1 CH1 IMGT000040 MAP 1077565..1077864
H-CH2 IMGT000040 MAP 1078098..1078436
CH3 (including CHS) IMGT000040 MAP 1078648..1079039
M IMGT000040 MAP 1081643..1081869
IGHA*02 F 24 Thoroughbred CH1 AY247966 [1] 297..596
H-CH2 AY247966 [1] 830..1168
CH3 (including CHS) AY247966 [1] 1380..1771
IGHA*03 P (1) 24 Thoroughbred CH1 NW_001876796 767184..767483
H-CH2 NW_001876796 767731..768064
CH3 (including CHS) NW_001876796 <768662..768931
IGHD IGHD*01 F 24 Thoroughbred CH1 AY631942 [2] 180..473
H1 AY631942 [2] 851..934
H2 AY631942 [2] 2558..2626
CH2 AY631942 [2] 2945..3271
CH3 AY631942 [2] 3434..3766
CHS AY631942 [2] 6756..6820
M1 AY631942 [2] 8689..8828 Thoroughbred NW_001876796 (2,9) 532785..532927
M2 AY631942 [2] 9280..9285 Thoroughbred NW_001876796 (2,9) 533143..533148
IGHD*02 F 24 Thoroughbred CM009171.1 CH1 IMGT000040 MAP 849492..849785
H1 IMGT000040 MAP 850164..850247
H2 IMGT000040 MAP 851871..851939
CH2 IMGT000040 MAP 852258..852584
CH3 IMGT000040 MAP 852747..853079
CHS IMGT000040 MAP 856069..856133
M1 IMGT000040 MAP 858002..858141 Thoroughbred NW_001876796 (2,9) 532785..532927
M2 IMGT000040 MAP 858593..858598 Thoroughbred NW_001876796 (2,9) 532785..532927
IGHE IGHE*01 F 24 Thoroughbred CM009171.1 CH1 IMGT000040 MAP 1065320..1065610 Throughbred NW_001876796 754865..755155
CH2 IMGT000040 MAP 1065771..1066094 Throughbred NW_001876796 755316..755639
CH3 IMGT000040 MAP 1066192..1066512 Throughbred NW_001876796 755737..756057
CH4(including CHS) IMGT000040 MAP 1066585..1066919 Throughbred NW_001876796 756130..756464
M1 IMGT000040 MAP 1069128..1069261 Throughbred NW_001876796 758673..758732
M2 IMGT000040 MAP 1069375..1069455 Throughbred NW_001876796 758920..759000
IGHE*02 F a 24 Thoroughbred CH1 AJ305046 [3] 2..292
CH2 AJ305046 [3] 453..776
CH3 AJ305046 [3] 874..1194
CH4(including CHS) AJ305046 [3] 1267..1601
IGHE*03 (P) (7) 24 Throughbred CH1 U15150 [4] c (s) 451..729
CH2 U15150 [4] c (s) 730..1050
CH3 U15150 [34] c (s) 1051..1371
CH4(including CHS) U15150 [4] c (s) 1372..1707
IGHE*04 (F) b 24 Throughbred CH1 AJ305048 [3] c (s) 1..291
CH2 AJ305048 [3] c (s) 292..615
CH3 AJ305048 [3] c (s) 616..936
CH4(including CHS) AJ305048 [3] c (s) 937..1272
IGHE*05 (F) 24 Throughbred CH3 L31502 [5] (3) c <1..240
CH4 L31502 [5] (3) c 241..>465
IGHE*06 P (4) 24 Throughbred CH1 U17041 [6] c (s) 427..717
CH2 U17041 [6] c (s) 718..1044
CH3 U17041 [6] c (s) 1045..1365
CH4(including CHS) U17041 [6] c (s) 1366..1698
IGHE*07 F 24 Throughbred CH1 AY731079 [8] c (s) 2..292
CH2 AY731079 [8] c (s) 453..776
CH3 AY731079 [8] c (s) 874..1194
CH4(including CHS) AY731079 [8] c (s) 1267..1601
IGHG1 IGHG1*01 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 903493..903786 Throughbred NW_001876796 (9) 576507..576800
H IMGT000040 MAP 904071..904130 Throughbred NW_001876796 (9) 577085..577144
CH2 IMGT000040 MAP 904263..904592 Throughbred NW_001876796 (9) 577277..577606
CH3(including CHS) IMGT000040 MAP 904677..905002 Throughbred NW_001876796 (9) 577691..578016
M1 IMGT000040 MAP 906584..906714 Throughbred NW_001876796 (9) 579785..579915
M2 IMGT000040 MAP 907118..907198 Throughbred NW_001876796 (9) 580319..580399
IGHG1*02 F 24 Throughbred gamma-1 CH1 AJ302055 [9] 2..295
H AJ302055 [9] 579..638
CH2 AJ302055 [9] 771..1100
CH3(including CHS) AJ302055 [9] 1185..1510
IGHG1*03 (F) 24 Throughbred gamma-1 CH1 AJ300675 [9] 1..294
H AJ300675 [9] 295..354
CH2 AJ300675 [9] 355..684
CH3(including CHS) AJ300675 [9] 685..1011
IGHG2 IGHG2*01 ORF (5) 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 935415..935708
H IMGT000040 MAP 935961..936014
CH2 IMGT000040 MAP 936193..936504
CH3(including CHS) IMGT000040 MAP 936584..936909
M1 IMGT000040 MAP 938514..938644
M2 IMGT000040 MAP 939039..939119
IGHG2*02 ORF (5) 24 Throughbred CH1 NW_001876796 608842..609135
H NW_001876796 609388..609441
CH2 NW_001876796 609620..609931
CH3(including CHS) NW_001876796 627073..627398
M1 NW_001876796 628995..629125
M2 NW_001876796 629520..629600
IGHG2*03 ORF (5) 24 Throughbred gamma-2 CH1 AJ302056 [9] 123..416
H AJ302056 [9] 669..722
CH2 AJ302056 [9] 901..1212
CH3(including CHS) AJ302056 [9] 1292..1617
IGHG3 IGHG3*01 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 960905..961198
H IMGT000040 MAP 961452..961562
CH2 IMGT000040 MAP 961695..962024
CH3(including CHS) IMGT000040 MAP 962100..962425
M1 IMGT000040 MAP 963581..963711
M2 IMGT000040 MAP 964266..964346
IGHG3*02 F 24 Throughbred CH1 NW_001876796 651172..651465
H NW_001876796 651719..651829
CH2 NW_001876796 651962..652291
CH3(including CHS) NW_001876796 652367..652692
M1 NW_001876796 653848..653978
M2 NW_001876796 654533..654613
IGHG3*03 F 24 Throughbred gamma-3, BAC 60B11 CH1 AY256910 [2] 629..922
H AY256910 [2] 1176..1286
CH2 AY256910 [2] 1419..1748
CH3(including CHS) AY256910 [2] 1824..2149
IGHG3*04 (F) 24 Throughbred gamma-3 CH1 AJ312379 [9] c (s) 1..294
H AJ312379 [9] c (s) 295..405
CH2 AJ312379 [9] c (s) 406..735
CH3(including CHS) AJ312379 [9] c (s) 736..1062
IGHG4 IGHG4*01 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 984956..985249
H IMGT000040 MAP 985536..985565
CH2 IMGT000040 MAP 985696..986022
CH3(including CHS) IMGT000040 MAP 986098..986423
M1 IMGT000040 MAP 988026..988156
M2 IMGT000040 MAP 988597..988677
IGHG4*02 F 24 Throughbred gamma-4 CH1 AJ302057 [9] 120..413
H AJ302057 [9] 700..732
CH2 AJ302057 [9] 863..1189
CH3(including CHS) AJ302057 [9] 1265..1590
IGHG4*03 F 24 Throughbred gamma-4, BAC 60B11 CH1 AY445518 [2] 2..295
H AY445518 [2] 582..614
CH2 AY445518 [2] 745..1071
CH3(including CHS) AY445518 [2] 1147..1472
IGHG4*04 F 24 Throughbred CH1 NW_001876796 674946..675239
H NW_001876796 675526..675561
CH2 NW_001876796 675692..676018
CH3(including CHS) NW_001876796 676094..676419
M1 NW_001876796 678021..678151
M2 NW_001876796 678592..678672
IGHG5 IGHG5*01 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 1039765..1040052
H IMGT000040 MAP 1040338..1040370
CH2 IMGT000040 MAP 1040500..1040829
CH3(including CHS) IMGT000040 MAP 1040914..1041239
M1 IMGT000040 MAP 1042846..1042976
M2 IMGT000040 MAP 1043608..1043688
IGHG5*02 P (1) 24 Throughbred CH1 NW_001876796 730659..730946
H NW_001876796 731232..731264
CH2 NW_001876796 731394..731723
CH3(including CHS) NW_001876796 731808..732134
M1 NW_001876796 733741..733871
M2 NW_001876796 734504..734584
IGHG5*03 F 24 Throughbred gamma-5 CH1 AJ312380 [9] 34..321
H AJ312380 [9] 607..639
CH2 AJ312380 [9] 769..1098
CH3(including CHS) AJ312380 [9] 1188..1513
IGHG6 IGHG6*01 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 1008208..1008501
H IMGT000040 MAP 1008786..1008821
CH2 IMGT000040 MAP 1008946..1009275
CH3(including CHS) IMGT000040 MAP 1009359..1009684
M1 IMGT000040 MAP 1011251..1011381
M2 IMGT000040 MAP 1011912..1011992
IGHG6*02 F 24 Throughbred CH1 NW_001876796 698725..699018
H NW_001876796 699303..699338
CH2 NW_001876796 699463..699792
CH3(including CHS) NW_001876796 699876..700201
M1 NW_001876796 701949..702079
M2 NW_001876796 702610..702690
IGHG6*03 F 24 Throughbred gamma-6 CH1 AJ312381 [9] 2..295
H AJ312381 [9] 580..615
CH2 AJ312381 [9] 738..1067
CH3(including CHS) AJ312381 [9] 1151..1476
IGHG7 IGHG7*01 F 24 Throughbred CH1 NW_019645282 11216..11509 Throughbred gamma-7, BAC 60B11 AY445517 [2] 2..295
H NW_019645282 (10) 11796..11831 Throughbred gamma-7, BAC 60B11 AY445517 [2] 582..617
CH2 NW_019645282 (10) 11962..12288 Throughbred gamma-7, BAC 60B11 AY445517 [2] 748..1074
CH3(including CHS) NW_019645282 (10) 12364..12689 Throughbred gamma-7, BAC 60B11 AY445517 [2] 1150..1475
M1 NW_019645282 (10) 14295..14425
M2 NW_019645282 (10) 14867..14947
IGHG7*02 F 24 Throughbred gamma-7 CH1 AJ302058 [9] (10) 482..775
H AJ302058 [9] (10) 1062..1097
CH2 AJ302058 [9] (10) 1228..1554
CH3(including CHS) AJ302058 [9] (10) 1630..1955
IGHM IGHM*01 F 24 Throughbred CH1 AY631941 [2] 2..298
CH2 AY631941 [2] 384..725
CH3 AY631941 [2] 1047..1364
CH4(including CHS) AY631941 [2] 1531..1922
M1 AY631941 [2] 4641..4756
M2 AY631941 [2] 4871..4876
IGHM*02 F 24 Throughbred CM009171.1 CH1 IMGT000040 MAP 839646..839942
CH2 IMGT000040 MAP 840028..840369
CH3 IMGT000040 MAP 840691..841008
CH4(including CHS) IMGT000040 MAP 841175..841566
M1 IMGT000040 MAP 844281..844396
M2 IMGT000040 MAP 844511..844516
IGHM*03 (P) (6) 24 Throughbred CH1 L49414 [10] c (s) 1..297
CH2 L49414 [10] c (s) 298..639
CH3 L49414 [10] c (s) 640..957
CH4(including CHS) L49414 [10] c (s) 958..1353
IGHM*04 F 24 Throughbred CH1 NW_001876796 514994..515290
CH2 NW_001876796 515376..515717
CH3 NW_001876796 516039..516356
CH4(including CHS) NW_001876796 516523..516914

c: cDNA sequence.
(s): Transcript of a secreted chain.

IMGT notes:
  1. (1) Frameshift in CH3: insertion of 1nt in CH3 from nt 54
  2. (2) Owing to gaps in the assembly, only M1 and M2 are present, the allele name may be IGHD*01 or IGHD*02
  3. (3) Partial C-GENE: partial CH3 in 5' and partial CH4 in 3'
  4. (4) Frameshift in CH2: insertion of 1 nt from nt 289, 1 nt from nt 302 and 1nt from nt 316
  5. (5) Noncanonical ACCEPTOR-SPLICE in CH2: nacnn instead of nagnn
  6. (6) Frameshift in CH1: several insertion and deletion in CH1
  7. (7) Frameshift in C-REGION: Several deletions in CH1 and in CH2
  8. (8) Functionality different from the reference sequence: ORF
  9. (9) Functionality different from the reference sequence: F
  10. (10) Sequence not in locus reference sequence (assembly EquCab3.0)
IMGT references:
  1. [1] Wagner B. et al.,Immunogenetics, 55, 552-60 (2003). PMID:14564492
  2. [2] Wagner B. et al.,J. Immunol., 173, 3230-3242 (2004). PMID:15322185
  3. [3] Wagner B. et al., Vet. Immunol. Immunopathol., 82, 193-202 (2001).. PMID:11587734
  4. [4] Navarro P. et al., Mol. Immunol., 32, 1-8 (1995). PMID:7870054
  5. [5] Marti E. et al., Vet. Immunol. Immunopathol., 47, 363-367 (1995). PMID:8571554
  6. [6] Watson J.L. et al., Unpublished.
  7. [7] Wagner B. et al., Unpublished.
  8. [8] Krenkova L. et al., Unpublished.
  9. [9] Wagner B. et al., Immunobiology, 199, 105-118 (1998). PMID:9717671
  10. [10] Schrenzel M.D. et al., Immunogenetics, 45, 386-393 (1997). PMID:9089096
Created:
20/06/2002
Last updated:
22/09/2023
Authors:
Joumana Jabado-Michaloud, Delphine Guiraudou, Marie-Paule Lefranc and Sofia Kossida