EVAg

Recombinant S1 domain aa 17-685 of SARS-CoV-2 Spike protein (Wuhan), expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Beta variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutations K417N, E484K, N501Y. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus

Recombinant receptor binding domain (aa 319-591) of SARS-CoV-2 Alpha variant (mutations: N501Y, A570D) , expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutations L452R and E484Q. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutation L452R. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutation T478K. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutation S477N. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutation E484Q. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutation E484K. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Variant of the SARS-CoV-2 receptor binding domain (aa 319-591) with mutations E484K and N501Y. Recombinant protein expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Recombinant receptor binding domain (aa 319-591) of SARS-CoV-2 Gamma variant (mutations: K417T, E484K, N501Y) , expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Recombinant receptor binding domain (aa 319-591) of SARS-CoV2 Omicron variant BA.1 (Mutations: G339D, S371L, S373P, S375F, K417N, N440K, G446S, S477N, T478K, E484A,  Q493K, G496S, Q498R, N501Y, Y505H, T547K), expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.

Recombinant receptor binding domain (aa 319-591) of SARS-CoV2 Delta variant (mutations: L452R, T478K), expressed in Expi293 cells and Streptactin-purified. The protein is equipped with a SpyTag (AHIVMVDAYKPTK) at the C-terminus.