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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.
M1 and M2 exons are not shown if not yet isolated.

Cassette Clone IGI gene name Exon Accession numbers
1 1315 IGHV1S1 X13447
IGHD1
IGHD2
IGHJ1
2 ~VDJ F101 IGHV1S2 X13449
IGHD3
IGHJ2
3 1403 IGHV1S3 Z11777
IGHD4
IGHD5
IGHJ3
4 1113 IGHV1S15 Z11776
IGHD8
IGHD9
IGHJ4
5 ~VD 1320 IGHV1S14 X13448
IGHD10
IGHJ5
6 33141 IGHV1S4 Z11778
IGHD6
IGHD7 Z11779
IGHJ6
7 2807 IGHD11 X15171
IGHD12 X15174
8 #c 12271 IGHV1S5 Z11781
IGHD13
IGHJ7
9 #c 12272 IGHV1S6 Z11782
IGHD14
IGHJ8
10 #c 12214 IGHV1S7 Z11783
IGHD15
IGHJ9
11 #c 12241 IGHV1S8 Z11784
IGHD16
IGHJ10
12 #c 12221 IGHV1S9 Z11785
IGHD17
IGHJ11
13 #c 12273 IGHV1S10 Z11786
IGHD18
IGHJ12
14 #c 12251 IGHV1S11 Z11787
IGHD19
IGHJ13
15 #c HN13 IGHV1S12 Z11788
IGHD20
IGHJ14
16 #c IGHV1S13 Z11789
IGHD21
IGHJ15
17 #c HN21 IGHV1S16 Z11791
IGHD22
IGHJ16
18 #c HN72 IGHV1S17 Z11792
IGHD23
IGHJ17
19 #c HC-3 IGHV1S18 X03748
IGHD24
IGHJ18
20 3050 IGHM1 CH1 X07781
CH2
CH3
CH4
21 6121 IGHM2 CH1 X07782
CH2
CH3
CH4
22 6125 IGHM3 CH1 X07783
CH2
CH3
CH4
23 12022 IGHM4 CH1 X07784
CH2
CH3
CH4
24 801 IGHM5 CH1 M17184
25 3089 IGHM6 CH1 M17187
26 3083 IGHM7 CH1 M17185
27 3089 IGHM8 CH1 M17188
28 5301TM IGHM9 CH3 X07785
CH4

#c: rearranged cDNA.
~VD: VD genomic DNA rearranged in the cassette.
~VDJ: VDJ genomic DNA rearranged in the cassette.

See also (IMGT Scientific chart):