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. 2007 Feb 20;104(9):3141–3146. doi: 10.1073/pnas.0611634104

Table 3.

Suppression efficiency of tRNASer/Pyl chimeras

tRNA Suppression efficiency, %
tRNACUASer <5
Stabilized tRNACUASer <5
tRNASer/Pyl chimera 1 62
tRNASer/Pyl chimera 2 69
tRNAPyl 100

Suppression efficiency was measured by β-galactosidase activity in E. coli strain XAC/A24. In the absence of Cyc, background suppression in all cases was <5%.