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. 2013 Mar 13;3:16. doi: 10.1186/2191-219X-3-16

Figure 6.

Figure 6

Visualization of the difference between Km and Ks . The plots cover a substantial range of the parameters k2 and k3, assuming a fixed ratio K1 / k2 = 0.7 ml/ml (a rationale for fixing this ratio is given in the discussion above). Top left, Km; top right, Vr; bottom left, absolute difference (Km - Ks); and bottom right, fractional difference ((Km - Ks) / Km). Parameters and their respective units: k2, k3 (1/min); Vr (ml/ml); and Km, Ks (ml/min/100 ml). Moving along the line, Vr ≈ 0.55 ml/ml between Km = 1 and 4 ml/min/100 ml corresponds approximately to the experimental data of Figure 2A.