Figure 1. Fig. 1. Plot of the slow exchange of the solution bathing PelC crystals. The concentrations of ammonium sulfate ( ) and polyethylene glycol 8000 ( ) in the 1-ml drop containing a PelC crystal are plotted as a function of time.
) and
polyethylene glycol 8000 ( 
) in the
1-ml drop containing a PelC crystal are plotted as a function of
time.