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. 2018 Dec 7;9(12):612. doi: 10.3390/genes9120612

Figure 4.

Figure 4

The acceptor stem 3:70 base pair is a determinant of yeast versus human tRNASer specificity. (A) Variation in the acceptor stem of the S. cerevisiae tRNASer isoacceptors. The acceptor stem of the tRNA encoded by SUP17 is shown with the positions that vary in the different cytoplasmic tRNASer isoacceptors colored in red. (B) Variation in the acceptor stems of tRNASerUGA between S. cerevisiae and humans. The acceptor stem of the tRNA encoded by SUP17 is shown with the bases always different between yeast and human colored in red and those sometimes-different colored in blue. (C) BY4742 expressing chtRNASerUGG or chtRNASerUGG-C3:G70 on a URA3 centromeric plasmid were transformed into BY4742 and grown at 30 °C for 2 days.