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This protein carries a human IgG1 Fc tag at the C-terminus.
The protein has a calculated MW of 67.4 kDa. The protein migrates as 80-100 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 Kremen-1, 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%.
Loaded Human KREMEN1, Fc Tag (Cat. No. KR1-H5253) on Protein A Biosensor, can bind SARS-CoV-2 S protein RBD, His Tag (Cat. No. SPD-C52H3) with an affinity constant of 283 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Loaded Human KREMEN1, Fc Tag (Cat. No. KR1-H5253) on Protein A Biosensor, can bind SARS-CoV-2 S1 protein with an affinity constant of 114 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Loaded Human KREMEN1, Fc Tag (Cat. No. KR1-H5253) on Protein A Biosensor, can bind SARS-CoV-2 S1 protein NTD, His Tag (Cat. No. S1D-C52H6) with an affinity constant of 241 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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