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Table 1 Distribution of mapped reads among different genomic annotations

From: Intronic RNAs constitute the major fraction of the non-coding RNA in mammalian cells

Time point (hours)

All mapped reads

Uniquely mapped reads

Uniquely mapped reads that are rRNA or rRNA repeat

Uniquely mapped reads that are chrM

Informative reads

Informative reads that overlap with exons*

% of non-exonic reads

Informative reads that overlap with introns

% of Informative reads that overlap with introns

% of Informative reads that overlap with introns as a fraction of non-exonic reads

Informative reads that are intergenic

% of Informative reads that are intergenic

0

172,810,082

100,490,763

37,454,298

4,040,580

58,995,885

21,353,240

63.8 %

25,213,131

42.7 %

67.0 %

12,429,515

21.1 %

3

188,573,448

111,280,605

39,613,334

4,490,786

67,176,485

24,307,053

63.8 %

28,235,047

42.0 %

65.9 %

14,634,386

21.8 %

6

201,295,896

116,218,502

47,449,481

4,055,092

64,713,929

22,823,246

64.7 %

28,228,817

43.6 %

67.4 %

13,661,866

21.1 %

12

170,486,061

93,829,203

39,479,285

3,924,386

50,425,532

18,187,717

63.9 %

21,318,414

42.3 %

66.1 %

10,919,401

21.7 %

24

157,234,367

91,301,394

34,072,429

4,477,595

52,751,370

18,760,773

64.4 %

22,667,538

43.0 %

66.7 %

11,323,060

21.5 %

48

147,848,170

85,053,947

32,412,171

3,634,177

49,007,599

17,832,101

63.6 %

20,929,521

42.7 %

67.1 %

10,245,978

20.9 %

  1. *Exons were defined by the UCSC Genes track (Methods).