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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 Positions on the chromosome IMGT/LIGM-DB reference sequence IMGT/LIGM-DB sequences from the literature
Breed Accession numbers Positions in the sequence (L-V-GENE-UNIT) Secondary accession numbers Breed Accession numbers Positions in the sequence (L-V-GENE-UNIT)
IGKV2 IGKV2-4 IGKV2-4*01 F chromosome 17 complement(37754005..37754759) Boxer IMGT000002 87158..87912
IGKV2-5 IGKV2-5*01 F chromosome 17 complement(37765292..37766044) Boxer IMGT000002 75873..76625
IGKV2-6 IGKV2-6*01 F chromosome 17 complement(37772394..37773146) Boxer IMGT000002 68771..69523
IGKV2-7 IGKV2-7*01 F chromosome 17 complement(37785335..37785857) Boxer IMGT000002 56060..56582
IGKV2-8 IGKV2-8*01 F chromosome 17 complement(37803966..37804720) Boxer IMGT000002 37197..37951
IGKV2-9 IGKV2-9*01 F chromosome 17 complement(37818510..37819262) Boxer IMGT000002 22655..23407
IGKV2-10 IGKV2-10*01 F chromosome 17 complement(37828254..37829005) Boxer IMGT000002 12912..13663
IGKV2-11 IGKV2-11*01 F chromosome 17 complement(37840576..37841338) Boxer IMGT000002 579..1341
IGKV2S12 IGKV2S12*01 P (1) chromosome 17 37493330..37494125 Boxer IMGT000002 complement(347792..348587)
IGKV2S13 IGKV2S13*01 F chromosome 17 37498823..37499554 Boxer IMGT000002 complement(342363..343094)
IGKV2S14 IGKV2S14*01 P (2) chromosome 17 37512664..37513465 Boxer IMGT000002 complement(328452..329253)
IGKV2S16 IGKV2S16*01 P (2) chromosome 17 37550864..37551405 Boxer IMGT000002 complement(290512..291053)
IGKV2S18 IGKV2S18*01 P (3) chromosome 17 37608480..37609226 Boxer IMGT000002 complement(232691..233437)
IGKV2S19 IGKV2S19*01 F chromosome 17 37624447..37625194 Boxer IMGT000002 complement(216723..217470)
IGKV3 IGKV3-3 IGKV3-3*01 P (1) chromosome 17 37740456..37741161 Boxer IMGT000002 complement(100756..101461)
IGKV3S1 IGKV3S1*01 F chromosome 17 37534371..37534924 Boxer IMGT000002 complement(306993..307546)
IGKV3S2 IGKV3S2*01 P (1) chromosome 17 37574459..37574840 Boxer IMGT000002 complement(267077..267458)
IGKV4 IGKV4S1 IGKV4S1*01 F chromosome 17 complement(37557777..37558353) Boxer IMGT000002 283564..284140
IGKV4-1 IGKV4-1*01 ORF (4) chromosome 17 37729129..37729742 Boxer IMGT000002 complement(112175..112788)
IGKV7 IGKV7-1 IGKV7-1*01 P (1) chromosome 17 37737470..37738096 Boxer IMGT000002 complement(103821..104447)
IGKV(II)-1 IGKV(II)-1 IGKV(II)-1*01 P (1) chromosome 17 complement(37599955..37600447) Boxer IMGT000002 241470..241962
IMGT notes:
  1. (1) Frameshifts in V-REGION.
  2. (2) STOP CODON in L-PART1.
  3. (3) L-PART2 ACCEPTOR-SPLICE defect ('nag|n' instead of 'nag|nn').
  4. (4) Noncanonical V-HEPTAMER: tgcagtg instead of cacagtg.
IMGT references:
See also (IMGT Scientific chart):