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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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Nurse shark (Ginglymostoma cirratum) IGIV genes and alleles have a temporary designation based on the IMGT gene name nomenclature rules for the unmapped genes, the incomplete loci, or the cDNAs in the absence of germline genes.

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
IGIV1 IGIV1S1 IGIV1S1*01 (F) + + C11 U15014 [1] #c
IGIV1S2 IGIV1S2*01 (F) + + C14 U15141 [1] #c
IGIV1S3 IGIV1S3*01 (F) + + C18 U15142 [1] #c
IGIV1S4 IGIV1S4*01 (F) + + B11A U15143 [1] #c
IGIV1S5 IGIV1S5*01 (F) + + C11 U15144 [1] #c
IGIV1S6 IGIV1S6*01 (F) + + C12 U15145 [1] #c

#c: rearranged cDNA.

IMGT references:
  1. [1] Barre S. et al., Nat. Struct. Biol., 1, 915-920 (1994). PMID: 7773781
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