Recombinant SARS-CoV-2 Omicron Variant BA.2.75.2 Spike S1 RBD Protein, Biotinylated
| Size | 10 µg |
| Estimated Lead Time | 1-2 business days |
| Species | SARS-CoV-2 |
| Specificity | SARS-CoV-2 Omicron Variant BA.2.75.2 |
| Accession Number | QHD43416 |
| Gene Symbols | S |
| Protein Name / Synonyms | Spike protein, S Protein, S1 Subunit, Host Cell Receptor Binding Domain (RBD) |
| Expressed Region | Arg319-Phe541, 19 mutant sites (G339H, R346T, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, G446S, N460K, S477N, T478K, E484A, F486S, Q498R, N501Y, Y505H). |
| Expression System | HEK293 cells |
| Conjugation | Biotin |
| Tag | C-terminal his-tag. The primary amino groups (-NH2) at the N-terminus and the side chains of lysine (K) residues were biotin-conjugated using the standard chemical labeling method. |
| Purity | >90% |
| Purity Determined By | SDS-PAGE under reducing conditions and visualized by Coomassie blue staining |
| Molecular Weight (kDa) | Recombinant protein product has a calculated molecular mass of 25 kDa. Due to the abundant glycosylation, it migrates as approximately 30 kDa protein bands in SDS-PAGE under DTT, beta-mercaptoethanol reducing conditions. |
| Format | Liquid |
| Formulation | Supplied as a 0.2 µm filtered solution in PBS (pH 7.4) |
| Concentration (lot specific) | Lot specific (see the label on the vial), determined by Bio-Rad protein assay reagent |
| Endotoxin Level | <0.5 EU per ug of the protein as determined by the LAL method |
| Research Area | Infectious Disease, COVID-19 |
| Shipping Type | Blue ice |
| Storage | -20°C |
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Recombinant SARS-CoV-2 Omicron Variant BA.2.75.2 Spike S1 RBD Protein, Biotinylated