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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
Breed Clone names Accession numbers Positions in the sequence Secondary accession numbers Breed Clone names Accession numbers Positions in the sequence
IGKJ1S1 IGKJ1S1*01 F Jk2 AF038132 [1] (1)
IGKJ1S2 IGKJ1S2*01 ORF (2) Jk3 AF038132 [1]
IGKJ1S3 IGKJ1S3*01 ORF (3) Jk1 AF038132 [1] (4)
IGKJ1S4 IGKJ1S4*01 (F) + + X54110 [2] #c

#c: rearranged cDNA

IMGT notes:
  1. (1) Partial J-REGION in 5'.
  2. (2) Non canonical J-HEPTAMER (CACCATG instead of CACAGTG).
  3. (3) Non canonical J-HEPTAMER (CACTGTG instead of CACAGTG).
  4. (4) Partial J-REGION in 3'.
IMGT references:
  1. [1] Hein W.R. and Dudler L., Int. Immunol., 10, 1251-1259 (1998). PMID: 9786424
  2. [2] Foley R.C. and Beh K.J., Unpublished.
See also (IMGT Scientific chart):