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Table 1 Number of elements and functional sub-regions contained in HERVgDB4 (left) and designed on HERV-V3 (right) where one probeset is defined by sub-region

From: A comprehensive hybridization model allows whole HERV transcriptome profiling using high density microarray

Repertoire

HERVgDB4 (database)

HERV-V3 (array)

Number of elements

Number of sub-regions

Number of elements

Number of probesets

Number of elements

HERV prototypes

29,859

90,106

29,807

45,374

29,859

HERV centromeric

192

589

24

29

192

HERV Dfam

169,821

342,482

154,535

283,641

169,821

MaLR Dfam

228,429

45,543

179,323

311,286

22,8429

LINE1

1072

4627

664

1416

1072

lncRNA

3812

3819

3777

3777

3812

Viruses

291

386

289

368

2044

gPEHM

1559

1559

1559

1559

8743

gU133

1559

NA

1559

3884

42,964

gHTA

1559

NA

1559

35,398

344,002

Affymetrix Controls

NA

NA

NA

177

20,895

Total

435,040

898,998

372,976

686,869

2,651,585

  1. The discrepancy between the number of elements in the database and on the array is due to cross-hybridizing elements discarded during the design