<p>Final gem concentrations of full cAMP:<i>SMN2</i> model (<b>A</b>) simulations (open squares) compared to experimental data (closed circles) for varying concentrations of forskolin (<b>B</b>), dbcAMP (<b>C</b>), rolipram (<b>D</b>), epinephrine (<b>E</b>) and salbutamol (<b>F</b>).</p