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. 2012 Oct 31;304(2):C180–C193. doi: 10.1152/ajpcell.00101.2012

Fig. 7.

Fig. 7.

Calcium, calcium-calmodulin, and PFK-1 (de)activation kinetics. Predictions of (de)activation kinetics of PFK-1 (black), calcium-calmodulin kinetics (red) and calcium kinetics (bue) for 10 Hz (A) and 40 Hz (B). For illustrative purposes the concentrations of calcium-calmodulin and calcium were scaled to the same order of magnitude as the fraction activated PFK-1. For calcium-calmodulin 1 unit corresponds to 0.040 μM and for calcium 1 unit corresponds to 30 μM.