Atezolizumab biosimilar is an Fc-engineered, humanized, monoclonal antibody that binds to PD-L1 and blocks interactions with the PD-1 and B7.1 receptors. Atezolizumab biosimilar is a non-glycosylated IgG1 kappa immunoglobulin that has a calculated molecular mass of 145 kDa.

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This solution is stable for at least 4 weeks when stored at 2-8°C. For long term storage aseptically aliquot and store at –80°C. Avoid repeated freeze/thaw cycles.