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. Author manuscript; available in PMC: 2021 Feb 1.
Published in final edited form as: FEBS Lett. 2019 Nov 16;594(4):646–664. doi: 10.1002/1873-3468.13648

Table 2.

Michaelis-Menten Kinetic Parameters for ADP in the Presence and Absence of 2 mM FBP for Wild-Type and Mutant PKM2.

Enzyme FBP Km (μM) Vmax (U/mg) R2

PKM2 (Prep 3) 364.6 ± 33.20 209.6 ± 6.740 0.9909
+ 453.6 ± 29.40 189.8 ± 4.630 0.9957

PKM1 744.4 ± 62.40 153.1 ± 5.628 0.9940
+ 623.7 ± 37.24 168.4 ± 4.168 0.9967

PKM2 P117L 1836 ± 132.7 94.74 ± 4.013 0.9978
+ 1932 ± 109.0 169.6 ± 5.699 0.9987

PKM2 R246S 406.4 ± 90.97 124.0 ± 10.12 0.9511
+ 302.9 ± 26.98 133.5 ± 3.987 0.9905

PKM2 G415R 294.1 ± 20.84 83.96 ± 1.891 0.9949
+ 558.6 ± 81.54 103.2 ± 5.989 0.9820

PKM2 R455Q 495.7 ± 87.61 161.0 ± 10.99 0.9683
+ 426.7 ± 32.36 208.7 ± 5.848 0.9938

PKM2 R516C 45.75 ± 6.187 11.64 ± 0.3176 0.9718
+ 50.34 ± 9.253 12.82 ± 0.4903 0.9492

PKM2 S37A 338.0 ± 36.89 87.31 ± 3.294 0.9858
+ 459.4 ± 61.19 157.1 ± 7.904 0.9816

PKM2 K270M 275.7 ± 47.84 6.063 ± 0.3438 0.9644
+ 185.7 ± 72.53 5.909 ± 0.7172 0.8012

PKM2 K367M 274.7 ± 30.90 45.47 ± 1.670 0.9844
+ 297.4 ± 24.85 28.31 ± 0.7892 0.9911

PKM2 R399E 513.1 ± 34.49 172.5 ± 4.515 0.9956
+ 657.1 ± 71.43 166.4 ± 8.336 0.9903

PKM2 K433E 444.0 ± 80.40 113.8 ± 7.702 0.9656
+ 713.5 ± 31.26 191.6 ± 3.632 0.9984

PKM2 H464A 456.9 ± 36.59 138.6 ± 4.185 0.9933
+ 612.2 ± 42.74 213.1 ± 6.132 0.9957