Skip to main content

Table 1 RNA spikes: length and base composition

From: Normalization of low-density microarray using external spike-in controls: analysis of macrophage cell lines expression profile

RNA spike Length (nt) Base Compositiona)
   C U A G
sp 1 750 23.5% 26.5% 21.9% 28.1%
sp 2 752 29.7% 23.5% 20.6% 26.2%
sp 3 1000 23.2% 25.9% 16.6% 34.3%
sp 4 1000 23.5% 22.0% 27.0% 27.5%
sp 5 1034 27.5% 22.3% 22.8% 26.4%
sp 6 1250 27.7% 21.8% 22.3% 28.2%
sp 7 1474 27.9% 20.5% 24.4% 27.3%
sp 8 2000 27.2% 21.4% 23.7% 27.8%
  1. a) Expressed as percentage of the base with respect to the total nucleotide content