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"+" or "-" indicates if the gene sequences have been found (+) or not been found (-) rearranged (R), 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 Haplotypes R T Pr Positions in the locus IMGT/LIGM-DB reference sequences IMGT/LIGM-DB sequences from the literature
Strain Clone names Accession numbers Positions in the sequence (J-REGION) Secondary accession numbers Strain Clone names Accession numbers Positions in the sequence (J-REGION)
IGHJ1 IGHJ1*01 F F-I + JH1 AY386695 [2] 97818-97870 J1 S78752 [3] (2) 1-42
JH1 U62586 [4] 848-900
G/G + J1 M24223 [1] (1) 28-80
IGHJ2 IGHJ2*01 F G/G + J2 M24223 [1] 297-346 JH2 S78752 [3] 260-309
IGHJ2*02 F F-I + JH2 AY386695 [2] 98090-98139 JH2 U62586 [4] 1119-1168
IGHJ3 IGHJ3*01 F G/G + J3 M24223 [1] 636-688 JH3 S78752 [3] 599-651
IGHJ3*02 F F-I + JH3 AY386695 [2] 98432-98482 JH3 U62586 [4] 1457-1509
IGHJ4 IGHJ4*01 F G/G + J4 M24223 [1] 849-896 JH4 S78752 [3] 813-860
IGHJ4*02 F F-I + JH4 AY386695 [2] 98642-98689 JH4 U62586 [4] 1669-1716
IGHJ5 IGHJ5*01 F G/G + + J5 M24223 [1] 1189-1239 JH5 S78752 [3] 1152-1202
E + + JH5 U85584 [5] 392-442
IGHJ5*02 F F-I + JH5 AY386695 [2] 98981-99031 JH5 U62586 [4] 2008-2058
IGHJ6 IGHJ6*01 F G/G + JH6 S78752 [3] 1719-1772
IGHJ6*02 F F-I + JH6 AY386695 [2] 99550-99603 JH6 U62586 [4] 2577-2630
IMGT notes:
  1. (1) partial J-RS in 5' side
  2. (2) partial J-REGION in 5' side
IMGT references:
  1. [1] Becker R.S. et al., J.Immunol., 142, 1351-1355 (1989). PMID: 2492580
  2. [2] Ros F. et al., Gene, 330, 49-59 (2004). PMID: 15087123
  3. [3] Knight K.L. et al., J.Immunol., 155, 684-691 (1995). PMID: 7608545
  4. [4] Chen H.T et al., Mol. Immunol., 33, 1313-1321 (1996) . PMID: 9171891
  5. [5] Lanning D.K et al., J.Immunol., 159, 4403-4407 (1997). PMID: 9379038
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