Components: 2X Cell Lysate Buffer (Item J); 5X Assay Diluent (Item E); HRP-conjugated Anti-Rabbit IgG Concentrate (Item D1); Biotinylated Pan Stat3 Antibody (Item C2); Phosphorylation ELISA Stop Solution (Item I); Capture Antibody-Coated Microplate (Item A); PhosphoELISA Lyophilized Positive Control Sample for Phospho-Stat3 (pTyr705); TMB One-Step Substrate Reagent (Item H); 20X Wash Buffer Concentrate (Item B)