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. 2001 Jan 23;98(5):2268–2273. doi: 10.1073/pnas.031488298

Table 3.

Ratio of specificity constants for the aminoacylation of the U2:A71/U35A36/G72 mutant suppressor tRNA and E. coli tRNAPro by the wild-type and mutant yeast TyrRS

Enzyme kcat/Km (suppressor tRNA)
kcat/Km (tRNAPro)
TyrRS (wt) 2.30
TyrRS-myc 4.19
TyrRS*5 5.13
TyrRS*9 15.0
TyrRS*10 9.70