Figure 5
From: High frequency of +1 programmed ribosomal frameshifting in Euplotes octocarinatus

Frequency of stop codon usage in Euplotes octocarinatus.
(A) Frequency of stop codon-trinucucleotide. (B) Frequency of stop codon-tetranucleotide. The red and yellow bars indicate normal termination signal and slippery signal, respectively.