1x96-well filter plate, x-Plex assay format that includes premixed coupled beads, detection antibodies, and lysates for detecting phosphorylated Akt (Ser473), c-Jun (Ser63), IkappaB-α(Ser32/Ser36), JNK (Thr183/Tyr185), p38 MAPK (Thr180/Tyr182), p90RSK (Thr359/Ser363), requires phosphoprotein reagent and cell lysis kit offered separately