产品详情
分子别名(Synonym)
ACE-2,ACEH,ACE2
表达区间及表达系统(Source)
Biotinylated Human ACE2, His,Avitag (AC2-H82E6) is expressed from human 293 cells (HEK293). It contains AA Gln 18 - Ser 740 (Accession # Q9BYF1-1).
Predicted N-terminus: Gln 18
Request for sequence蛋白结构(Molecular Characterization)
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.
偶联(Conjugate)
Biotin
标记(Labeling)
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
内毒素(Endotoxin)
Less than 1.0 EU per μg by the LAL method.
纯度(Purity)
95% as determined by SDS-PAGE.
90% as determined by SEC-MALS.
制剂(Formulation)
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.
重构方法(Reconstitution)
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储(Storage)
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
质量管理控制体系(QMS)
产品展示
电泳(SDS-PAGE)
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%.
SEC-MALS
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.
Report
活性(Bioactivity)-ELISA
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).
Protocol
活性(Bioactivity)-SPR
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).
Protocol
活性(Bioactivity)-BLI
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).
Protocol
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