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分子别名（Synonym）
Spike,S protein,Spike glycoprotein,S glycoprotein
表达区间及表达系统（Source）
SARS-CoV-2 S protein, His Tag, Super stable trimer (SPN-C52H7) is expressed from human 293 cells (HEK293).
Predicted N-terminus: Val 16
Request for sequence蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 138.0 kDa. The protein migrates as 170-250 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
偶联（Conjugate）
Unconjugated
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）
Supplied as 0.2 μm filtered solution in 0.1 M Sodium citrate, pH5.5.
Contact us for customized product form or formulation.
运输（Shipping）
This product is supplied and shipped with dry ice, please inquire the shipping cost.
存储（Storage）
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- The product MUST be stored at -70°C or lower upon receipt;
- -70°C for 3 months under sterile conditions.
质量管理控制体系（QMS）
数据展示
电泳（SDS-PAGE）
SARS-CoV-2 S protein, His Tag, Super stable trimer 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 SARS-CoV-2 S protein, His Tag, Super stable trimer (Cat. No. SPN-C52H7) is more than 90% and the molecular weight of this protein is around 480-550 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human ACE2, Fc Tag (Cat. No. AC2-H5257) at 1 μg/mL (100 μL/well) can bind SARS-CoV-2 S protein, His Tag, Super stable trimer (Cat. No. SPN-C52H7) with a linear range of 0.2-6 ng/mL (QC tested).
Protocol
Immobilized Anti-SARS-CoV-2 RBD Neutralizing Antibody, Human IgG1 (Cat. No. SAD-S35) at 1 μg/mL (100 μL/well) can bind SARS-CoV-2 S protein, His Tag, Super stable trimer (Cat. No. SPN-C52H7) with a linear range of 0.2-6 ng/mL (Routinely tested).
Protocol
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