B-lymphocyte antigen CD20 or CD20 is an activated-glycosylated phosphoprotein expressed on the surface of all B-cells beginning at the pro-B phase (CD45R , CD117) and progressively increasing in concentration until maturity.The protein has no known natural ligand and its function is to enable optimal B-cell immune response, specifically against T-independent antigens.

高纯度、高活性、低内毒素、高批间一致性

-85 ~ -65℃保存，收到货之后有效期1年。
避免反复冻融，打开小瓶前先离心。建议等分分装为一次实验使用量，分装后，-80℃冻存。