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. Author manuscript; available in PMC: 2024 Aug 15.
Published in final edited form as: Biochemistry. 2023 Jul 25;62(16):2461–2471. doi: 10.1021/acs.biochem.3c00180

Table 3.

Steady-state kinetic parameters for hhCF-4OT and fCF-4OT.

Substrate Enzyme kcat (s−1) Km (μM) kcat/Km (M−1 s−1)

2-HM hhCF-4OT 30 ± 1 80 ± 7 3.7 × 105
fCF-4OT 180 ± 10 290 ± 25 6.2 × 105

5-Me-2-HM hhCF-4OT 6 ± 1 100 ± 20 6.0 × 104
fCF-4OT 11 ± 0.5 110 ± 10 1.0 × 105

PP hhCF-4OT 60 ± 10 390 ± 65 1.5 × 105
fCF-4OT 140 ± 20 300 ± 50 4.7 × 105

HPD hhCF-4OT 30 ± 3 620 ± 90 4.8 × 104
fCF-4OT 40 ± 5 330 ± 50 1.2 × 105

CHM - - - -
fCF-4OT 0.03 ± 0.004 250 ± 70 1.2 × 102