Store at -20°C for unconjugated, 4°C for conjugated.
You should store unconjugated antibodies at -20°C. All conjugated antibodies should be stored at 4°C, with the exception of Biotin Conjugation. Storing at the recommended temperature will ensure the full lifespan of the product and provide the best outcome possible for your experiment.
Biotin conjugated antibodies will have a storage temperature of -20°C.