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. 2013 Sep;19(9):1192–1199. doi: 10.1261/rna.039503.113

FIGURE 4.

FIGURE 4.

Analysis of kinetic isotope effect. (A) Kinetics of m1G37-tRNA synthesis catalyzed by MjTrm5, showing a virtually identical kobs of 0.11 sec−1 in H2O and in D2O, with standard errors of 0.02. (B) Kinetics of m1G37-tRNA synthesis catalyzed by HsTrm5, showing a virtually identical kobs of 0.012 sec−1 with standard errors of 0.001. Data for H2O are shown in closed triangles; data for D2O are shown in closed circles.