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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 Chromosomal localization R T Pr Positions in the locus IMGT/LIGM-DB reference sequences IMGT/LIGM-DB sequences from the literature
Clone names Accession numbers Positions in the sequence (J-GENE-UNIT) Secondary accession numbers Clone names Accession numbers Positions in the sequence (J-GENE-UNIT)
IGHJ1 IGHJ1*01 ORF (1) 4 AM773729 [1] 75946..76032
IGHJ2 IGHJ2*01 F 4 AM773729 [1] 76493..76585
IGHJ3 IGHJ3*01 F 4 AM773729 [1] 76675..76763
IGHJ4 IGHJ4*01 F 4 AM773729 [1] 76989..77075
IGHJ5 IGHJ5*01 F 4 AM773729 [1] 77374..77459
IGHJ6 IGHJ6*01 F 4 AM773729 [1] 77687..77773
IGHJ7 IGHJ7*01 F 4 AM773729 [1] 78284..78375
IMGT notes:
  1. (1) Non conserved consensus sequence, WGXG is replaced by GAXG
IMGT references:
  1. [1] Achour I. et al., J. Immunol. 181:2001-2009 (2008). PMID: 18641337
See also (IMGT Scientific chart):