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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 subgroup IMGT gene name IMGT allele name Fct Chromosomal
localization
R T Pr IMGT/LIGM-DB locus reference sequences IMGT/LIGM-DB sequences from the literature
Breed Clone names Accession numbers Positions in the sequence
(L-V-GENE-UNIT)
Secondary accession numbers Breed Clone names Accession numbers Positions in the sequence
(L-V-GENE-UNIT)
IGKV1 IGKV1-1 IGKV1-1*01 ORF (1) 11 San Clemente IMGT000009 [1] 404279..404778
IGKV1-2 IGKV1-2*01 P (2) 11 San Clemente IMGT000009 [1] 395554..396136
IGKV1-3 IGKV1-3*01 F 11 San Clemente IMGT000009 [1] 380077..380577
IGKV1-5 IGKV1-5*01 P (3) 11 San Clemente IMGT000009 [1] 364543..365031
IGKV1-6 IGKV1-6*01 P (4) 11 San Clemente IMGT000009 [1] 353883..354784
IGKV1-12 IGKV1-12*01 P (5) 11 San Clemente IMGT000009 [1] 290803..291302
IGKV1-15 IGKV1-15*01 P (6) 11 San Clemente IMGT000009 [1] 271460..271960
IGKV2 IGKV2-7 IGKV2-7*01 F 11 San Clemente IMGT000009 [1] 350175..350909
IGKV2-8 IGKV2-8*01 F 11 San Clemente IMGT000009 [1] 340900..341679
IGKV2-9 IGKV2-9*01 ORF (7) 11 San Clemente IMGT000009 [1] 334973..335776
IGKV2-10 IGKV2-10*01 F 11 San Clemente IMGT000009 [1] 308648..309452
IGKV2-11 IGKV2-11*01 F 11 San Clemente IMGT000009 [1] 297133..297911
IGKV2-13 IGKV2-13*01 P (8) 11 San Clemente IMGT000009 [1] 283725..284500
IGKV3 IGKV3-14 IGKV3-14*01 P (9) 11 San Clemente IMGT000009 [1] 275716..276504
IGKV(I) IGKV(I)-11-1 IGKV(I)-11-1*01 P (10) 11 San Clemente IMGT000009 [1] 295109..295413 (14)
IGKV(II) IGKV(II)-1-1 IGKV(II)-1-1*01 P (11) 11 San Clemente IMGT000009 [1] complement(401201..>401338) (14)
IGKV(II)-4 IGKV(II)-4*01 P (9) 11 San Clemente IMGT000009 [1] 371602..371885 (14)
IGKV(II)-8-1 IGKV(II)-8-1*01 P (12) 11 San Clemente IMGT000009 [1] 338874..339151 (14)
IGKV(II)-9-1 IGKV(II)-9-1*01 P (12) 11 San Clemente IMGT000009 [1] 317170..317470 (14)
IGKV(II)-9-2 IGKV(II)-9-2*01 P (13) 11 San Clemente IMGT000009 [1] 312558..312841 (14)
IMGT notes:
  1. (1) noncanonical DONOR-SPLICE nga instead of ngt, noncanonical ACCEPTOR-SPLICE nggnn instead of nagnn.
  2. (2) frameshift in L-PART1 due to 1 nt insertion, unexpected DONOR-SPLICE position.
  3. (3) in frame STOP CODON in FR1-IMGT and FR3-IMGT.
  4. (4) in frame STOP-CODON in V-REGION.
  5. (5) in frame STOP CODON in FR3-IMGT, noncanonical DONOR-SPLICE nag instead of ngt.
  6. (6) frameshift in L-PART1.
  7. (7) 2nd-CYS is replaced by Ser.
  8. (8) frameshift in V-REGION.
  9. (9) frameshift in FR3-IMGT.
  10. (10) frameshifts in V-REGION, pseudogene not assigned to subgroups with functional genes.
  11. (11) Truncated pseudogene not assigned to subgroups with functional genes.
  12. (12) frameshifts in V-REGION, no L-PART1, pseudogene not assigned to subgroups with functional genes.
  13. (13) frameshifts in V-REGION, no L-PART1, no V-RS, pseudogene not assigned to subgroups with functional genes.
  14. (14) positions in V-REGION.
IMGT references:
  1. [1] Schwartz JC. et al. Immunogenetics. 2017 Oct 23. doi: 10.1007/s00251-017-1033-3. PMID: 29063126
See also (IMGT Scientific chart):