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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).