Figure S9.

Simulated dynamics of phosphoinositide probes during receptor activation (shaded area) using the expanded mathematical model. (A–E) The rate constants for PI4K activity are varied as in Fig. 7 A. Corresponding simulated time courses of concentration of PM PtdIns4P-bound P4M (A), Golgi PtdIns4P-bound PHFAPP1 (B), PM PtdIns(4,5)P2-bound PHPLCδ1 (C), Ins(1,4,5)P3-bound LIBRAvIII (D), and DAG-bound C1A (E). _G indicates chemical species in the Golgi compartment.

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