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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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Positions in the sequence: limits from the first nucleotide of D-REGION to the last nucleotide.

IMGT subgroup IMGT gene name IMGT allele name Fct 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
(D-GENE-UNIT)
Secondary accession numbers Strain Clone names Accession numbers Positions in the sequence (D-REGION)
IGHD1 IGHD1-1 IGHD1-1*01 F BX649502 [1] 221472..221537
IGHD1-2 IGHD1-2*01 F BX649502 [1] 223218..223289
IGHD2 IGHD2-1 IGHD2-1*01 F BX510335 [1] 13113..13179
IGHD2-2 IGHD2-2*01 F BX510335 [1] 13785..13852
IGHD2-3 IGHD2-3*01 F BX510335 [1] 14019..14085
IGHD2-4 IGHD2-4*01 F BX510335 [1] 15395..15461
IGHD2-5 IGHD2-5*01 F BX510335 [1] 17425..17494
IMGT references:
  1. [1] Danilova N. et al., Nat Immunol., 6, 295-302 (2005). PMID: 15685175
See also (IMGT Scientific chart):