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This protein carries a polyhistidine tag at the C-terminus.
The mature form of Complement C5 is a disulfide-linked heterodimer composed of proteolytically cleaved α and β chain. Each α and β chain has a calculated MW of 73.9 kDa (β chain) and 114.4 kDa (α chain). The protein migrates as 66 kDa, 110 kDa and >180kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition, and >180 kDa under non-reducing (NR) condition (SDS-PAGE).
>90% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Human Complement C5, His Tag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
The purity of Human Complement C5, His Tag (Cat. No. CO5-H52Ha) is more than 85% and the molecular weight of this protein is around 180-220 kDa verified by SEC-MALS.
Immobilized Human Complement C5, His Tag (Cat. No. CO5-H52Ha) at 2 μg/mL (100 μL/well) can bind Anti-C5a (Human IgG1) with a linear range of 0.2-3 ng/mL (QC tested).
Immobilized Human Complement C5, His Tag (Cat. No. CO5-H52Ha) at 2 μg/mL (100 μL/well) can bind Eculizumab Biosimilar with a linear range of 0.1-4 ng/mL (Routinely tested).
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