Citing IMGT dynamic tools: Sanou G., Zeitoun G. et al. IMGT® at scale: FAIR, Dynamic and Automated Tools for Immune Locus Analysis, Nucleic Acids Research. 2025;,gkaf1024. doi: 10.1093/nar/gkaf1024 (Free Article) PMID: 41091930.
Program version: v. 

Add information about removed genes/alleles.
May 15th, 2025.

Add the possibility to obtain a gene table per strain (for mouse now and for other species later) and allotypes/isotypes for human.
September 25th, 2024.

Bibliographical references in alphabetic order, small design changes and addition of "NL" for non-localized gene.
June 14th, 2024.

Addition of 'Score for IMGT allele confirmation' as well as NCBI TPA accession numbers.
September 20th, 2023.

Implementation of the dynamic gene table.

Gene table legend:

"+" 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 in 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.

IMGT allele confirmation: A scoring system is employed to indicate the number of IMGT/LIGM-DB reference sequences and other sequences from the literature in which an IG or TR gene allele has been identified and annotated.

Removed genes/alleles
If a gene/allele existence or name has to be changed, the old name or gene/allele would be deleted and its name won't be reused. They are kept in the gene table for historical reasons.
A single star ()
indicates that an IG or TR gene allele is annotated in the reference sequence only.
Two stars ()
indicate that an IG or TR gene allele is annotated in its reference sequence and in one sequence from the literature.
Three stars ()
indicate that an IG or TR gene allele is annotated in its reference sequence and in at least two sequences from the literature.
In the Excel file, the stars are represented by the plus symbol (+).

Click on:
  • IMGT gene name to get the corresponding IMGT/GENE-DB entry (link).
  • IMGT allele name to see the corresponding Alignments of alleles (link).
  • Accession number to get the corresponding IMGT/LIGM-DB entry (link).
  • MAP: mapped sequences. Click to access GENE-DB «LOCALIZATION IN GENOME ASSEMBLIES» (link).
  • [number] to access the corresponding IMGT reference (popover).
  • (number) to see the corresponding IMGT note (popover).
Options:
  • You can show/hide columns (), download data () or put the table in fullscreen () using buttons.
See also (IMGT Scientific chart):
Select a species and a IMGT group to get the gene table:
Only IMGT available species/group are shown in the drop-down list.
The gene table can take several seconds to appear, please be patient.
Gene table of human (Homo sapiens) TRDD IMGT group:
IMGT sub­groupIMGT gene nameIMGT allele nameScore for
IMGT allele
confirmation		FctChromosomosal
localization		R T PrIMGT/LIGM-DB reference sequencesIMGT/LIGM-DB sequences from the literature
Clone namesAccession
numbers		Positions
in the sequence
(D-GENE-UNIT)
or D-REGION (*)		Secondary
accession
numbers		Clone namesAccession
numbers		Positions
in the sequence
(D-GENE-UNIT)
or D-REGION (*)
TRDDTRDD1 TRDD1*01 F 14q11.2 D1 M23325 [8] MAP 26-100 AE000661 [2,5] 192477-192551
CM000676.2 IMGT000024 [4,6] 826616-826690
CM089104.1 IMGT000290 [7] 826886-826960
TRDDTRDD2 TRDD2*01 F 14q11.2
RTPr
++
 D2 M22153 [10] MAP 6-81 AE000661 [2,5] 192937-193012
CM000676.2 IMGT000024 [4,6] 827076-827151
CM089104.1 IMGT000290 [7] 827346-827482
L36383 [8] 26-101
TRDDTRDD3 TRDD3*01 F 14q11.2
RTPr
++
 D3 M22152 [10] MAP 186-265 AE000661 [2,5] 203043-203122
AJ249818 [1] 39-118
CM000676.2 IMGT000024 [4,6] 837182-837261
CM089104.1 IMGT000290 [7] 837459-837538
L36384 [8] 26-105
M22197 [9] 597-675
IMGT references: ↑
  1. Boehm T. et al., A cluster of chromosome 11p13 translocations found via distinct D-D and D-D-J rearrangements of the human T cell receptor delta chain gene, EMBO J, vol. 7, no. 7, 1988, pp. 2011-2017. PUBMED: 3416831
  2. Boysen C. et al., Analysis of the 1.1-Mb human alpha/delta T-cell receptor locus with bacterial artificial chromosome clones, Genome Res, vol. 7, no. 4, 1997, pp. 330-338. PUBMED: 9110172
  3. Boysen C. et al., T-Cell Receptor Alpha Delta Locus Complete Nucleotide Sequence, Unpublished.
  4. Heilig R. et al., The DNA sequence and analysis of human chromosome 14, Nature, vol. 421, no. 6923, 2003, pp. 601-607. PUBMED: 12508121
  5. Koop B.F. et al., The human T-cell receptor TCRAC/TCRDC (C alpha/C delta) region: organization, sequence, and evolution of 97.6 kb of DNA, Genomics, vol. 19, no. 3, 1994, pp. 478-493. DOI: 10.1006/geno.1994.1097
  6. Lander,E.S. et al., Initial sequencing and analysis of the human genome, Nature, vol. 409, no. 6822, 2001, pp. 860-921. PUBMED: 11237011
  7. Liao W.W. et al., A draft human pangenome reference, Nature, vol. 617, no. 7960, 2023, pp. 312-324. PUBMED: 37165242
  8. Loh E.Y. et al., Human T-cell-receptor delta chain: genomic organization, diversity, and expression in populations of cells, Proc. Natl. Acad. Sci. U.S.A, vol. 85, no. 24, 1988, pp. 9714-9718. PUBMED: 2974163
  9. Satyanarayana K. et al., Genomic organization of the human T-cell antigen-receptor alpha/delta locus, Proc. Natl. Acad. Sci. U.S.A, vol. 85, no. 21, 1988, pp. 8166-8170. PUBMED: 3186718
  10. Takihara Y. et al., Sequence and organization of the diversity, joining, and constant region genes of the human T-cell delta-chain locus, Proc. Natl. Acad. Sci. U.S.A, vol. 85, no. 16, 1988, pp. 6097-6101. PUBMED: 3413078