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. Author manuscript; available in PMC: 2013 Oct 19.
Published in final edited form as: Nat Commun. 2011;2:329. doi: 10.1038/ncomms1331

Table 3.

Kinetics of peptide bond formation

Cys-tRNACys kapp (s−1) [fMet-Cys]/[TC] Fidelity of
proofreading
UGC codon CGC codon UGC codon CGC codon
etRNA-WT 1.6 ± 0.2 0.0011 ± 0.0001 0.46 0.40 1.2
etRNA-eM1 0.31 ± 0.06 Not determined 0.17 0.03 5.7

Summary of the rate constant kapp of dipeptide formation and the amplitude [fMet-Cys]/[TC] for calculation of fidelity. TC = ternary complex.