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Table 2 The inhibition parameters and inhibition modes of potent ginsenoside-type hCES inhibitors

From: Inhibition of human carboxylesterases by ginsenosides: structure–activity relationships and inhibitory mechanism

Enzyme source

Target enzyme

Inhibitor

IC50 (μM)

Ki (μM)

Inhibition mode

Goodness of fit (R2)

HLM

hCES1A

DM

1.99 ± 0.21

2.10

Competitive

0.99

DMG

1.76 ± 0.28

2.40

Competitive

0.98

HLM

hCES2A

DM

0.69 ± 0.08

1.22

Mixed

0.96

DMG

1.06 ± 0.21

2.83

Mixed

0.99

PPD

1.34 ± 0.11

0.70

Mixed

0.99

PPT

0.86 ± 0.09

0.95

Mixed

0.99