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ACROBiosystems Biotinylated SARS-CoV-2 Spike RBD (XBB.1.5 Omicron), His-Avitag, 25 μg
Supplier: ACROBiosystems SPDC82Q325UG
Biotinylated SARS-CoV-2 Spike receptor-binding domain (RBD) from the XBB.1.5 (Omicron) lineage, supplied as a lyophilized 25 μg vial. The construct comprises residues Arg 319-Lys 537, includes a C-terminal His tag and an Avi tag that is enzymatically biotinylated, and is expressed in HEK293 cells. Designed for ELISA, binding assays, and reagent development.
- Lyophilized 25 μg vial for assay use.
- Contains residues Arg 319-Lys 537 (RBD).
- Expressed in HEK293 (human) cells.
- C-terminal His tag and Avi tag; site-specific enzymatic biotinylation.
- Purity: >95% by SDS-PAGE, >90% by SEC-MALS.
- Calculated molecular weight 28.3 kDa; migrates ~35-41 kDa by SDS-PAGE due to glycosylation.
- Formulated in PBS, pH 7.4, with trehalose; 0.22 μm filtered prior to lyophilization.
- Store lyophilized at -20°C or lower.
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