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Vector construction for expression of SARS‐CoV‐2 structural proteins, E, M, and S. LB: T‐DNA left border; RB: T‐DNA right border; 35S: 35S promoter of cauliflower mosaic virus; 5′: 5′‐UTR from cowpea mosaic virus RNA‐2; 3′: 3′‐UTR from cowpea mosaic virus RNA‐2; NosT: nopaline synthase terminator; P19: suppressor of silencing; the numbers in parentheses refer to the amino acid sequence. Yellow box: TM domain and black box: signal peptide sequence.
