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. 2020 Apr 27;202(10):e00053-20. doi: 10.1128/JB.00053-20

TABLE 1.

SaYqeK kinetic constants for preferred substrates

Substrate Km (μM ± SD) kcat (s−1 ± SD) Kcat/km (s−1 μM−1)
Ap4A 3.2 ± 0.3 107 ± 2 34
Ap5A 21.5 ± 2.5 32 ± 1 1.5
Gp4G 68.0 ± 22 1,002 ± 186 15
Ap4G 19.7 ± 4.0 210 ± 16 11
Ap4U 17.6 ± 2.3 324 ± 12 18