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Limited Edition Golden Llama is here! Check out how you can get one. 
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This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™)
The protein has a calculated MW of 87.2 kDa. The protein migrates as 95-125 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 150 mM NaCl, pH8.0 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:
Biotinylated Human ACE2, His,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
The purity of Biotinylated Human ACE2, His,Avitag (Cat. No. AC2-H82E6) is more than 90% and the molecular weight of this protein is around 187-229 kDa verified by SEC-MALS.
Immobilized Biotinylated Human ACE2, His,Avitag (Cat. No. AC2-H82E6) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind SARS-CoV-2 S1 protein, Fc Tag (Cat. No. S1N-C5255) with a linear range of 0.1-6 ng/mL (QC tested).
Biotinylated Human ACE2, His,Avitag (Cat. No. AC2-H82E6) captured on Biotin CAP - Series S sensor Chip can bind SARS-CoV-2 S protein (R683A, R685A), His Tag (Cat. No. SPN-C52H4) with an affinity constant of 54.5 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Loaded Biotinylated Human ACE2, His,Avitag (Cat. No. AC2-H82E6) on SA Biosensor, can bind SARS-CoV-2 S protein (R683A, R685A), His Tag (Cat. No. SPN-C52H4) with an affinity constant of 42.8 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
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