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This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 44.3 kDa. The protein migrates as 55-65 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5 with trehalose as protectant.
Contact us for customized product form or formulation.
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 IL-18BP, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).
The purity of Human IL-18BP, Fc Tag (Cat. No. ILP-H5253) is more than 85% and the molecular weight of this protein is around 105-130 kDa verified by SEC-MALS.
Immobilized Human IL-18 Protein, premium grade (Cat. No. IL8-H5114) at 5 μg/mL (100 μL/well) can bind Human IL-18BP, Fc Tag (Cat. No. ILP-H5253) with a linear range of 0.6-20 ng/mL (QC tested).
Human IL-18BP, Fc Tag (Cat. No. ILP-H5253) captured on CM5 chip via Anti-human IgG Fc antibodies surface can bind Human IL-18, Tag Free with an affinity constant of 1.71 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
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