Figure 2. The Vmax and Km values for phosphoenolpyruvate (PEP) in the presence of various compounds.
(A) Saturation curves of the activity of purified SyPEPC. The graph shows the means of three independent experiments. The Vmax and Km values for PEP of GST-tagged SyPEPC proteins are shown in (B) and (C), respectively. (B) Mean ± SD Vmax (units/pmol protein) values in the presence of various compounds, obtained from three independent experiments. (C) Mean ± SD Km values for PEP, obtained from three independent experiments. Mock indicates the enzymatic activity in the absence of additional compounds. One unit of PEPC activity was defined as the consumption of 1 μmol NADPH per minute.
