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. 2022 Aug 29:10.1002/jmv.28081. Online ahead of print. doi: 10.1002/jmv.28081

Figure 1.

Figure 1

Design, expression and identification of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) spike trimers from wild type, D614G, Delta, and Omicron. (A) Organization of SARS‐CoV‐2 spike protein constructs. (B) Reduced and nonreduced sodium dodecyl‐sulfate polyacrylamide gel electrophoresis (SDS‐PAGE) of SARS‐CoV‐2 spike trimer from wild type, D614G, Delta, and Omicron. (C) Identification of SARS‐CoV‐2 spike trimers from wild type, D614G, Delta, and Omicron with anti‐His tag antibody.