beta-Arrestin-2-GFP transiently transfected C5L2-HEK cells demonstrated rASP and rC5a-dependent beta-arrestin-2-GFP translocation, which showed time-dependent intracellular colocalization with C5L2.     ///    stably transfected C5L2-HEK cells were sorted using fluorescent-ASP (Fluos-ASP) binding. 