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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 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 Secondary accession numbers Strain Clone names Accession numbers Positions in the sequence
IGHV1 IGHV1S1 IGHV1S1*01 (F) + + AB052658 [1] #c
IGHV1S2 IGHV1S2*01 (F) + + AB052744 [1] #c
IGHV1S3 IGHV1S3*01 (F) + + AF226284 [2] #c

#c: rearranged cDNA.

IMGT notes:
  1. (1) Bastard halibut (Paralichthys olivaceus) genes are designated by a number for the subgroup, following by the letter S and a number.
IMGT references:
  1. [1] Hirono I. et al., Unpublished (2001).
  2. [2] Lee U.H. et al., Fish and Shellfish Immunol., 11, 537-540 (2001). PMID: 11556482
See also (IMGT Scientific chart):