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. 2013 Dec 26;42(6):3857–3870. doi: 10.1093/nar/gkt1331

Figure 3.

Figure 3.

Pseudouridine formation by TruB variants under multiple-turnover conditions. Tritium-labeled tRNAPhe (0.95 μM) was incubated with TruB (0.2 μM) at 37°C, and pseudouridine formation was quantified at selected time points with the help of a tritium release assay. (A) Two-hour time courses with TruB wild type (closed circles), TruB D90E (closed squares), TruB D90N (closed triangles) and TruB D90A (closed diamonds). (B) Thirty-hour time courses with TruB wild type (closed circles) and TruB R181K (open squares) to confirm detectable activity (no enzyme control, open circles).