Recombinant SARS-Cov-2 Spike S1 protein

• Catalog Number: orb1516775
• Category: Proteins
• Description: Recombinant SARS-Cov-2 Spike S1 protein
• Tag: Tag free
• Concentration: ＞0.5 mg/ml
• Form/Appearance: Liquid
• Purity: > 95% as determined by SDS-PAGE
• MW: 35 kDa
• Target: Spike glycoprotein
• Protein Sequence: 16-685/1273
• Expression System: E.coli
• Biological Activity: Not tested
• Endotoxins: Not analyzed
• Storage: Stored at -70°C or -20°C. Avoid repeated freeze/thaw cycles.
• Buffer/Preservatives: Lyophilized from 0.22um filtered solution in 2X PBS (pH7.4). Normally 5% trehalose is added as protectant before lyophilization.
• Alternative names: SARS-CoV-2 spike protein; 2019-nCOV Spike protein;
• Note: For research use only
• Application notes: Centrifuge tubes before opening. Reconstituting to a concentration more than 100 μg/ml is recommended. Dissolve the lyophilized protein in distilled water.
• Expiration Date: 6 months from date of receipt.