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折扣/货期| 货号：96-117 | 规格：0.1 mg | 目录价：￥8125.65 |
产品详情
* 以下信息仅供参考，详情请以原厂网站为准
产品名称:
CD55 Recombinant Protein
别名:
CD55, DAF, CR, CROM, TC
实验应用:
WB
表达系统:
HEK293 cells
保存温度:
Lyophilized Protein should be stored at -20˚C or lower for long term storage. Upon reconstitution, working aliquots should be stored at -20˚C or -70˚C. Avoid repeated freeze-thaw cycles.
运输温度:
Blue Ice
产品形式:
Lyophilized
存储溶液:
PBS, pH7.4
产地:
美国
生产商:
Prosci
功能与背景:
CD55 is also known as DAF or decayaccelerating factor, is a member of the RCA (regulators of complement activation) family characterized by four to 30 SCRs (short consensus repeats) in their plasma-exposed regions. CD55 /DAF is a 70 kDa membrane protein that regulates the complement system on the cell surface. It prevents the assembly of the C3bBb complex (the C3-convertase of the alternative pathway) or accelerates the disassembly of preformed convertase, thus blocking the formation of the membrane attack complex. This glycoprotein is broadly distributed among hematopoietic and non-hematopoietic cells. It is a determinant for the Cromer blood group system. CD55 is known to bind CD97 via the first SCR. It also binds physiologicallygenerated C3 convertases with its second and third SCRs. Binding results in an accelerated “decay”, or dissociation of active C3 convertases, thus blocking the development of C’ attack complexes on nonforeign cells. Finally, viruses and bacteria are also known to utilize multiple SCR sites for infection.
纯度:
>95% as determined by SDS-PAGE.
生物活性:
Measured by its binding ability in a functional ELISA. When rhCD55 is coated at 1μg/ml (100μl/well), the concentration of rhCD97 that produces 50% of the optimal binding response is found to be approximately 0. 15-2. 0μg/ml.
Accession #:
NP_000565.1
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