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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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cDNAs have been included in this table as they are informative for the gene content of the corresponding genomic cassettes.

Cassette Clone IGH gene name Accession numbers
1 #c IGHV1S1 U50611
IGHD1
IGHJ1
IGHW
2 #c IGHV1S2 U50612
IGHD2
IGHJ2
IGHW
3 #c IGHV1S3 U50613
IGHD3
IGHJ3
IGHW
4 #c IGHV1S4 U50614
IGHD4
IGHJ4
IGHW

#c: rearranged cDNA.

See also (IMGT Scientific chart):