Figure 3From: The oligodeoxynucleotide sequences corresponding to never-expressed peptide motifs are mainly located in the non-coding strandEnergetic cost of pentapeptides with different frequencies in the universal proteome. Panels A to E indicate pentapeptide sets that, in the universal proteome: A) are absent, B) are expressed only once, C) occur 100 times, D) occur 341 times, and E) occur 2500 times.Back to article page