PE-Labeled Monoclonal Anti-FMC63 Antibody, Mouse IgG1 (FM3-HPY53) is a neutralizing antibody produced via site-specific conjugation of PE to Monoclonal Anti-FMC63 Antibody, Mouse IgG1 under optimal conditions with a proprietary technology. We also carry another proclin-containing version of PE-Labeled Monoclonal Anti-FMC63 Antibody, Mouse IgG1 (FM3-PY54A2) produced with the same production process except for proclin, and the proclin-containing product has the same performance and can be stored under 2-8 °C for no less than 12 months after reconstitution.