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SARS-CoV-2 Spike Protein S1 Receptor-Binding Domain (S1RBD)

$397.00USD


Catalogue No. PE-1840-100
Description Coronavirus S proteins contain two subunits, called S1 and S2, which are separated by a protease-sensitive amino acid sequence. S1 determines the specificity of receptor binding, while S2 mediates membrane fusion and virus entry. Biosensis SARS-CoV-2 Spike Protein S1 Receptor-Binding Domain (S1RBD) protein is an E. coli expressed, recombinant protein fragment designed for research scientific study of the SARS-CoV-2 virus and the COVID-19 disease it causes.
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SARS-CoV-2 Nucleocapsid Protein (NP) Protein
Batch No. See product label.
Unit size 100 ug
Sequence NITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCY GVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDF TGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTP CNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATV
Other Names Surface glycoprotein [Severe acute respiratory syndrome coronavirus 2]; S1RBD fragment
Accession GenBank: QHD43416.1
Produced in E.coli. A DNA sequence encoding 194 amino acids (aa: 331-524, tag-free) was expressed and purified from E.coli.
Molecular Weight 21.8 kDa (calculated)
Purity >95%, as determined by SDS-PAGE
Biol. activity Determined by one-site ELISA. Reactivity to human serum from COVID-19+ patients diluted up to 1:900.
Form Liquid at 1.8 mg/mL, in 50 mM Tris, 300 mM NaCl, 10% Glycerol, pH 8.0, no preservatives. Aliquot into usable portions upon arrival using sterile techniques. Avoid freeze-thaw cycles.
Storage Product ships on ice packs and is stable from ambient to refrigerated temperatures for 1 week. For storage, divide into useable aliquots and store at -80C.
Expiry Date 3 months from date of receipt (unopened and frozen at -80C). 1 month opened, any temperature.
MSDS Click to download the Material Safety Data SheetBiosensis PE-1840-100_MSDS_5-2020.pdf
Images (click to zoom)
SARS-CoV-2 Spike Protein S1 Receptor-Binding Domain (S1RBD) Purity analysis by SDS-PAGE.

PDF Data Sheet

Click to download the data sheet - Click to download the Data Sheet

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