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Typical inhibition-kinetics of EcDHFR by ononetin at low substrate/inhibitor concentrations (A) Competition-experiments of ononetin against H2F at saturating NADPH. (B) Lineweaver-Burk plot of the data from (A). (C) Competition-experiments of ononetin against NADPH at saturating concentration of H2F. (D) Lineweaver-Burk plot of the data from (C).
