SARS-CoV-2 Spike RBD3 Omicron BA.4 & BA.5

Catalogue #

P-381-100

Name

SARS-CoV-2 Spike RBD3 Omicron BA.4 & BA.5

Description

Protein contains amino acids 319-537, mutations G339D, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, L452R, S477N, T478K, E484A, F486V, Q498R, N501Y, Y505H plus two extra amino acids (AS) in N-terminus and His-6 tag at C-terminus and GSG linker between protein and tag.

MW

25.789 kDa

Host

CHO-based cell line (expressed by QMCF Technology)

Kd:

5.85E-09 (measured against ACE2 receptor)

Purification

Metal-affinity chromatography following gel filtration. Protein is sterile-filtrated through 0.22 µm filter.

Purity

>90%

Concentration

1 mg/ml

Buffer

PBS pH 7.4

Endotoxine

NA

QC

Simply Blue Safe stained SDS-PAGE, analytical SEC, Octet binding to ACE2 receptor

Shipping

Shipped on dry ice

Storage

Store at -70°C upon receipt. Recommended to aliquot into smaller quantities. Avoid repeated freeze-thaw cycles