1x96-well filter plate, x-Plex assay format that includes premixed coupled beads, detection antibodies, and lysates for detecting phosphorylated ERK1 (Thr202/Tyr204), JNK (Thr183/Tyr185), p38 MAPK (Thr180/Tyr182), STAT2 (Tyr689), STAT3 (Tyr705), requires phosphoprotein reagent and cell lysis kit offered separately