A Blocking peptide for Anti-P2X7 Receptor (extracellular) Antibody (#APR-008), Anti-P2X7 Receptor (extracellular)-ATTO Fluor-488 Antibody (#APR-008-AG) and Anti-P2X7 Receptor (extracellular)-ATTO Fluor-633 Antibody (#APR-008-FR). Intended to be used as a negative control.