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. Author manuscript; available in PMC: 2021 Jul 10.
Published in final edited form as: ACS Infect Dis. 2020 Jun 24;6(7):1976–1997. doi: 10.1021/acsinfecdis.0c00326

Table 1.

Apparent Kinetic parameters for NpsA.

Substrate KM (μM) kcat (s−1) kcat/KM (M−1·s−1)
3-Hydroxyanthranilic acid (6.3 ± 0.2) × 101 0.78 ± 0.01 (1.8 ± 0.1) × 104
3-Hydroxybenzoic acid (4.0 ± 0.9) × 103 0.35 ± 0.07 (8.8 ± 2.6) × 101
Anthranilic acid (8.5 ± 0.7) × 102 0.29 ± 0.01 (3.4 ± 0.3) × 102
ATP (1.5 ± 0.1) × 101 0.82 ± 0.01 (5.6 ± 0.4) × 104
holo-ThdA 3.4 ± 0.2, (Ki = 15 ± 2) 1.08 ± 0.02 (3.2 ± 0.2) × 105