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. Author manuscript; available in PMC: 2022 Nov 21.
Published in final edited form as: Biochemistry. 2017 Jul 7;56(28):3619–3631. doi: 10.1021/acs.biochem.7b00114

Table 3.

ktrans for Y454S and WT HARS

Single turnover aminoacyl transfer

Enzyme ktrans (s−1) References
WT HARS (n=4) 30 ± 6 This work
Y454S (n=6) 30 ± 4 This work
E.coli HARS 18.8 ± 2.5 17

Values reported are the mean ± standard error of n independent experiments. No difference by extra sum-of-squares F test.