This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 49.0 kDa. The protein migrates as 65-100 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.
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 IFN-alpha / beta R1 Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
The purity of Human IFN-alpha / beta R1 Protein, His Tag (Cat. No. IF1-H5225) is more than 85% and the molecular weight of this protein is around 67-81kDa verified by SEC-MALS.
Loaded Human IFNAR1, His Tag (Cat. No. IF1-H5225) on NTA Biosensor, can bind Human IFN-alpha 2b (K46R), Fc Tag (Cat. No. IFB-H5253) with an affinity constant of 0.689 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).
Loaded Human IFN-alpha / beta R1, His Tag (Cat. No. IF1-H5225) on NTA Biosensor, can bind Human IFN-alpha 1, Fc Tag (Cat. No. IFA-H5258) with an affinity constant of 11.3 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.
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