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Table 2 Start codon usage among the SD populations

From: Adaptation of the short intergenic spacers between co-directional genes to the Shine-Dalgarno motif among prokaryote genomes

  Start codon usage
Start codons upstream SD sequence (% genes) SD sequence and downstream start codon reflection (% genes) mispredicted start codon or downstream start codon reflection (% genes) without SD sequence (% genes)
AUG 84.8% 33.8% 29.7% 79.8%
GUG 9.5% 62.7% 65.4% 11.2%
UUG 5.6% 3.4% 4.6% 8.7%
other 0.1% 0.1% 0.3% 0.3%
  1. Percentages of start codon usage among genes with an upstream SD sequence, genes with a SD sequence and downstream start codon reflection, genes with a mispredicted start codon or downstream start codon reflection, and genes without SD sequence.